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Gold and aurostibite from the metaturbidite-hosted Au–Zn–Pb–Ag Hera deposit, southern Cobar Basin, central NSW, Australia: geochemical and textural evidence for gold remobilisation
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- Ian T Graham, Adam McKinnon, Angela Lay, Karen Privat, Khalid Schellen, Lachlan Burrows, Elizabeth Liepa, Hongyan Quan
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- Journal:
- Mineralogical Magazine / Volume 86 / Issue 4 / August 2022
- Published online by Cambridge University Press:
- 12 May 2022, pp. 619-633
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The Devonian Hera metaturbidite-hosted polymetallic Au–Zn–Pb–Ag deposit of central NSW, Australia, contained a total undepleted resource of 3.6 Mt @ 3.3 g/t Au, 25 g/t Ag, 2.6% Pb and 3.8% Zn. The deposit comprises a number of distinctive lodes with each containing a distinctive ore and alteration/gangue mineralogy, though generally the sulfide ore comprises various mixtures of sphalerite, galena, chalcopyrite, pyrrhotite and relatively common visible gold–electrum. The North Pod and Far West lodes are distinctly Sb rich and contain a more diverse ore mineralogy with arsenopyrite, native silver, native antimony, gudmundite, tetrahedrite-(Fe), argentotetrahedrite-(Fe), acanthite, dyscrasite, nisbite and breithauptite. From analysis of 52,760 assays from across the deposit it was found that there was a very poor correlation between gold and each of Fe, Zn, S, Pb, Cu, As and Ag, whereas Ag correlated reasonably well with both Pb and Zn. Results from EPMA shows that gold varies widely in composition from host-rock associated gold (96 wt.% Au) through more intermediate compositions (88–73 wt.% Au) to electrum (46–27 wt.% Au), commonly associated with Sb-phases and containing significant Sb within the gold itself (1.05–2.58 wt.% Sb). From the Far West lense, aurostibite occurs as distinctive rims around gold. Although aurostibite associated with gold contains no silver, the gold itself contains constant moderate amounts (10.87–12.27 wt.% Ag). We suggest that the aurostibite and other Sb phases formed from a late-stage Sb-rich hydrothermal during low-temperature retrograde skarn alteration. There is abundant evidence for both chemical and physical remobilisation at Hera and this remobilisation is largely responsible for the spectrum of gold compositions observed. The source for these fluids may be an underlying magmatic body, evidence for which occurs as granite pegmatite dykes in various locations throughout the deposit. Furthermore, gold with a moderate to high Sb content may be indicative of a low temperature of formation.
Extending the critical period for weed control model to better include weed succession using common sunflower as a mimic weed in high-yielding cotton
- Graham W. Charles, Ian N. Taylor
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- Journal:
- Weed Technology / Volume 35 / Issue 6 / December 2021
- Published online by Cambridge University Press:
- 27 October 2021, pp. 1029-1037
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The critical period for weed control (CPWC) adds value to integrated weed management by identifying the period during which weeds need to be controlled to avoid yield losses exceeding a defined threshold. However, the traditional application of the CPWC does not identify the timing of control needed for weeds that emerge late in the critical period. In this study, CPWC models were developed from field data in high-yielding cotton crops during three summer seasons from 2005 to 2008, using the mimic weed, common sunflower, at densities of two to 20 plants per square meter. Common sunflower plants were introduced at up to 450 growing degree days (GDD) after crop planting and removed at successive 200 GDD intervals after introduction. The CPWC models were described using extended Gompertz and logistic functions that included weed density, time of weed introduction, and time of weed removal (logistic function only) in the relationships. The resulting models defined the CPWC for late-emerging weeds, identifying a period after weed emergence before weed control was required to prevent yield loss exceeding the yield-loss threshold. When weeds emerged in sufficient numbers toward the end of the critical period, the model predicted that crop yield loss resulting from competition by these weeds would not exceed the yield-loss threshold until well after the end of the CPWC. These findings support the traditional practice of ensuring weeds are controlled before crop canopy closure, with later weed control inputs used as required.
Mental health services for infectious disease outbreaks including COVID-19: a rapid systematic review
- Jing-Li Yue, Wei Yan, Yan-Kun Sun, Kai Yuan, Si-Zhen Su, Ying Han, Arun V. Ravindran, Thomas Kosten, Ian Everall, Christopher G Davey, Edward Bullmore, Norito Kawakami, Corrado Barbui, Graham Thornicroft, Crick Lund, Xiao Lin, Lin Liu, Le Shi, Jie Shi, Mao-Sheng Ran, Yan-Ping Bao, Lin Lu
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- Journal:
- Psychological Medicine / Volume 50 / Issue 15 / November 2020
- Published online by Cambridge University Press:
- 05 November 2020, pp. 2498-2513
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The upsurge in the number of people affected by the COVID-19 is likely to lead to increased rates of emotional trauma and mental illnesses. This article systematically reviewed the available data on the benefits of interventions to reduce adverse mental health sequelae of infectious disease outbreaks, and to offer guidance for mental health service responses to infectious disease pandemic. PubMed, Web of Science, Embase, PsycINFO, WHO Global Research Database on infectious disease, and the preprint server medRxiv were searched. Of 4278 reports identified, 32 were included in this review. Most articles of psychological interventions were implemented to address the impact of COVID-19 pandemic, followed by Ebola, SARS, and MERS for multiple vulnerable populations. Increasing mental health literacy of the public is vital to prevent the mental health crisis under the COVID-19 pandemic. Group-based cognitive behavioral therapy, psychological first aid, community-based psychosocial arts program, and other culturally adapted interventions were reported as being effective against the mental health impacts of COVID-19, Ebola, and SARS. Culturally-adapted, cost-effective, and accessible strategies integrated into the public health emergency response and established medical systems at the local and national levels are likely to be an effective option to enhance mental health response capacity for the current and for future infectious disease outbreaks. Tele-mental healthcare services were key central components of stepped care for both infectious disease outbreak management and routine support; however, the usefulness and limitations of remote health delivery should also be recognized.
Combined LC-MS and 1H-NMR metabolomic profiling uncovers dietary biomarkers in a cohort of healthy Northern Irish older adults:
- Gonçalo Rosas da Silva, Stewart F. Graham, Ali Yilmaz, Zafer Ugur, Ian Young, Frank Kee, Charlotte E. Neville, Jayne Woodside, Brian D Green
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- Journal:
- Proceedings of the Nutrition Society / Volume 79 / Issue OCE2 / 2020
- Published online by Cambridge University Press:
- 10 June 2020, E80
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A longstanding issue in the field of nutrition is the potential inaccuracy of methods traditionally used for dietary assessment (i.e. food diaries and food frequency questionnaires). It is possible to overcome the limitations and biases of these techniques by combining them with analytical measurements in human biofluids. Metabolomic technologies are gaining popularity as nutritional tools due to their capacity to measure metabolic responses to external stimuli, such as the ingestion of certain foods. This project performed both LC-MS and 1H-NMR metabolomic profiling on serum samples collected as part of the NICOLA study (Northern Irish Cohort for the Longitudinal Study of Aging) in order to discover novel dietary biomarkers. A dietary validation cohort (NIDAS) was incorporated within NICOLA, involving 45 males and 50 females, aged 50 years and over. Participants provided detailed dietary data (4-day food diary) and blood samples at two time-points, six months apart. Serum samples were processed on two analytical platforms. 1H-NMR spectra were acquired using a Bruker 600 MHz Ascent coupled to a TCI cryoprobe and processed using Bayesil (University of Alberta, Canada). A Waters TQ-S coupled with an Acquity I-class UPLC was used in combination with a targeted commercially available kit (AbsoluteIDQ p180 kit, Biocrates). Mass spectra obtained were processed with MetIDQ and verified using MassLynx (v4.1). Data were tested for normality, and metabolite concentrations were correlated with recorded dietary intake of each food type using SPSS. Additional tests (PCA, PLS-DA, ROC Curves) were performed on MetaboAnalyst 4.0 (University of Alberta, Canada). More than 50 statistically significant (P < 0.05) food-metabolite correlations were detected, 15 of which remained significant after eliminating potential confounding from sex, age and BMI. The strongest correlations were between fruit consumption and acetic acid, and between dairy consumption and certain glycerophospholipids (e.g. LysoPC aa C20:3). Stratifying the cohort by gender yielded further correlations, including PC ae C38:2 (dairy; males), PC aa C34:4 (dairy; females), PC aa C36:4 (dairy; females) and trans-4-Hydroxyproline (meat; males). A number of potential blood-based food biomarkers were detected, many of which are gender-specific, and some are corroborated by previously published studies. However, further validation work is required. For example, biological plausibility needs to be established, and the findings need to be reproduced in other cohorts to demonstrate their applicability in larger and more diverse populations. These results contribute greatly to the ongoing efforts to discover and validate reliable nutritional biomarkers as an objective and unbiased measurement of food intake.
High-resolution correlation of the Homerian carbon isotope excursion (Silurian) across the interior of the Midland Platform (Avalonia), UK
- David C. Ray, Emilia Jarochowska, Philipp Röstel, Graham Worton, Axel Munnecke, James R. Wheeley, Ian Boomer
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- Journal:
- Geological Magazine / Volume 157 / Issue 4 / April 2020
- Published online by Cambridge University Press:
- 29 October 2019, pp. 603-620
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New δ13Ccarb and microfacies data from Hereford–Worcestershire and the West Midlands allow for a detailed examination of variations in the Homerian carbon isotope excursion (Silurian) and depositional environment within the Much Wenlock Limestone Formation of the Midland Platform (Avalonia), UK. These comparisons have been aided by a detailed sequence-stratigraphic and bentonite correlation framework. Microfacies analysis has identified regional differences in relative sea-level change and indicates an overall shallowing of the carbonate platform interior from Hereford–Worcestershire to the West Midlands. Based upon the maximum δ13Ccarb values for the lower and upper peaks of the Homerian carbon isotope excursion (CIE), the shallower depositional setting of the West Midlands is associated with values that are 0.7 ‰ and 0.8 ‰ higher than in Hereford–Worcestershire. At the scale of parasequences the effect of depositional environment upon δ13Ccarb values can also be observed, with a conspicuous offset in the position of the trough in δ13Ccarb values between the peaks of the Homerian CIE. This offset can be accounted for by differences in relative sea-level change and carbonate production rates. While such differences complicate the use of CIEs as a means of high-resolution correlation, and caution against correlations based purely upon the isotopic signature, it is clear that a careful analysis of the depositional environment can account for such differences and thereby improve the use of carbon isotopic curves as a means of correlation.
A feasibility and acceptability study of an adaptation of the Mindful Self-Compassion program for adult cancer patients
- Joanne Brooker, John Julian, Jeremy Millar, H. Miles Prince, Melita Kenealy, Kirsten Herbert, Annette Graham, Robin Smith, David Kissane, Karen Taylor, Mark Frydenberg, Ian Porter, Jane Fletcher, Ian Haines, Sue Burney
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- Palliative & Supportive Care / Volume 18 / Issue 2 / April 2020
- Published online by Cambridge University Press:
- 09 October 2019, pp. 130-140
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Objectives
Psychosocial interventions that mitigate psychosocial distress in cancer patients are important. The primary aim of this study was to examine the feasibility and acceptability of an adaptation of the Mindful Self-Compassion (MSC) program among adult cancer patients. A secondary aim was to examine pre–post-program changes in psychosocial wellbeing.
MethodThe research design was a feasibility and acceptability study, with an examination of pre- to post-intervention changes in psychosocial measures. A study information pack was posted to 173 adult cancer patients 6 months–5 years post-diagnosis, with an invitation to attend an eight-week group-based adaptation of the MSC program.
ResultsThirty-two (19%) consented to the program, with 30 commencing. Twenty-seven completed the program (mean age: 62.93 years, SD 14.04; 17 [63%] female), attending a mean 6.93 (SD 1.11) group sessions. There were no significant differences in medico-demographic factors between program-completers and those who did not consent. However, there was a trend toward shorter time since diagnosis in the program-completers group. Program-completers rated the program highly regarding content, relevance to the concerns of cancer patients, and the likelihood of recommending the program to other cancer patients. Sixty-three percent perceived that their mental wellbeing had improved from pre- to post-program; none perceived a deterioration in mental wellbeing. Small-to-medium effects were observed for depressive symptoms, fear of cancer recurrence, stress, loneliness, body image satisfaction, mindfulness, and self-compassion.
Significance of resultsThe MSC program appears feasible and acceptable to adults diagnosed with non-advanced cancer. The preliminary estimates of effect sizes in this sample suggest that participation in the program was associated with improvements in psychosocial wellbeing. Collectively, these findings suggest that there may be value in conducting an adequately powered randomized controlled trial to determine the efficacy of the MSC program in enhancing the psychosocial wellbeing of cancer patients.
The accuracy of measures in screening adults for spiritual suffering in health care settings: A systematic review
- Sayna Bahraini, Wendy Gifford, Ian D. Graham, Liquaa Wazni, Suzette Brémault-Phillips, Rebekah Hackbusch, Catrine Demers, Mary Egan
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- Palliative & Supportive Care / Volume 18 / Issue 1 / February 2020
- Published online by Cambridge University Press:
- 07 August 2019, pp. 89-102
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Objective
Guidelines for palliative and spiritual care emphasize the importance of screening patients for spiritual suffering. The aim of this review was to synthesize the research evidence of the accuracy of measures used to screen adults for spiritual suffering.
MethodsA systematic review of the literature. We searched five scientific databases to identify relevant articles. Two independent reviewers screened, extracted data, and assessed study methodological quality.
ResultsWe identified five articles that yielded information on 24 spiritual screening measures. Among all identified measures, the two-item Meaning/Joy & Self-Described Struggle has the highest sensitivity (82–87%), and the revised Rush protocol had the highest specificity (81–90%). The methodological quality of all included studies was low.
Significance of ResultsWhile most of the identified spiritual screening measures are brief (comprised 1 to 12 items), few had sufficient accuracy to effectively screen patients for spiritual suffering. We advise clinicians to use their critical appraisal skills and clinical judgment when selecting and using any of the identified measures to screen for spiritual suffering.
Control of seed coat rupture by ABA-INSENSITIVE 5 in Arabidopsis thaliana
- Thiago Barros-Galvão, Fabián E. Vaistij, Ian A. Graham
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- Journal:
- Seed Science Research / Volume 29 / Issue 2 / June 2019
- Published online by Cambridge University Press:
- 12 April 2019, pp. 143-148
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In Arabidopsis, seed germination is a biphasic process involving rupture of the seed coat followed by emergence of the radicle through the micropylar endosperm. Embryo expansion results in seed coat rupture and removal of seed coat imposed dormancy with DELLA proteins blocking embryo expansion in the absence of gibberellins. Exogenous abscisic acid (ABA) treatment does not block seed coat rupture but does block radicle emergence. We used this limited effect of exogenous ABA to further investigate the mechanism by which it blocks the onset of germination marked by seed coat rupture. We show that physical nicking of the seed coat results in exogenous ABA treatment blocking both seed coat and endosperm rupture and this block requires the transcription factors ABI3 and ABI5, but not ABI4. Furthermore, we show that the repression of expression of several EXPANSIN genes (EXPA1, EXPA2, EXPA3, EXPA9 and EXPA20) by exogenous ABA requires ABI5. We conclude that ABI5 plays an important role in the ABA-mediated repression of germination through prevention of seed coat rupture and propose that this involves EXPANSIN related control of cell wall loosening.
Meta-analysis across Cohorts for Heart and Aging Research in Genomic Epidemiology (CHARGE) consortium provides evidence for an association of serum vitamin D with pulmonary function
- Jiayi Xu, Traci M. Bartz, Geetha Chittoor, Gudny Eiriksdottir, Ani W. Manichaikul, Fangui Sun, Natalie Terzikhan, Xia Zhou, Sarah L. Booth, Guy G. Brusselle, Ian H. de Boer, Myriam Fornage, Alexis C. Frazier-Wood, Mariaelisa Graff, Vilmundur Gudnason, Tamara B. Harris, Albert Hofman, Ruixue Hou, Denise K. Houston, David R. Jacobs, Jr, Stephen B. Kritchevsky, Jeanne Latourelle, Rozenn N. Lemaitre, Pamela L. Lutsey, George O’Connor, Elizabeth C. Oelsner, James S. Pankow, Bruce M. Psaty, Rebecca R. Rohde, Stephen S. Rich, Jerome I. Rotter, Lewis J. Smith, Bruno H. Stricker, V. Saroja Voruganti, Thomas J. Wang, M. Carola Zillikens, R. Graham Barr, Josée Dupuis, Sina A. Gharib, Lies Lahousse, Stephanie J. London, Kari E. North, Albert V. Smith, Lyn M. Steffen, Dana B. Hancock, Patricia A. Cassano
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- Journal:
- British Journal of Nutrition / Volume 120 / Issue 10 / 28 November 2018
- Published online by Cambridge University Press:
- 12 September 2018, pp. 1159-1170
- Print publication:
- 28 November 2018
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The role that vitamin D plays in pulmonary function remains uncertain. Epidemiological studies reported mixed findings for serum 25-hydroxyvitamin D (25(OH)D)–pulmonary function association. We conducted the largest cross-sectional meta-analysis of the 25(OH)D–pulmonary function association to date, based on nine European ancestry (EA) cohorts (n 22 838) and five African ancestry (AA) cohorts (n 4290) in the Cohorts for Heart and Aging Research in Genomic Epidemiology Consortium. Data were analysed using linear models by cohort and ancestry. Effect modification by smoking status (current/former/never) was tested. Results were combined using fixed-effects meta-analysis. Mean serum 25(OH)D was 68 (sd 29) nmol/l for EA and 49 (sd 21) nmol/l for AA. For each 1 nmol/l higher 25(OH)D, forced expiratory volume in the 1st second (FEV1) was higher by 1·1 ml in EA (95 % CI 0·9, 1·3; P<0·0001) and 1·8 ml (95 % CI 1·1, 2·5; P<0·0001) in AA (Prace difference=0·06), and forced vital capacity (FVC) was higher by 1·3 ml in EA (95 % CI 1·0, 1·6; P<0·0001) and 1·5 ml (95 % CI 0·8, 2·3; P=0·0001) in AA (Prace difference=0·56). Among EA, the 25(OH)D–FVC association was stronger in smokers: per 1 nmol/l higher 25(OH)D, FVC was higher by 1·7 ml (95 % CI 1·1, 2·3) for current smokers and 1·7 ml (95 % CI 1·2, 2·1) for former smokers, compared with 0·8 ml (95 % CI 0·4, 1·2) for never smokers. In summary, the 25(OH)D associations with FEV1 and FVC were positive in both ancestries. In EA, a stronger association was observed for smokers compared with never smokers, which supports the importance of vitamin D in vulnerable populations.
CAEP Acute Atrial Fibrillation/Flutter Best Practices Checklist
- Ian G. Stiell, Frank X. Scheuermeyer, Alain Vadeboncoeur, Paul Angaran, Debra Eagles, Ian D. Graham, Clare L. Atzema, Patrick M. Archambault, Troy Tebbenham, Kerstin de Wit, Andrew D. McRae, Warren J. Cheung, Marc W. Deyell, Geneviève Baril, Rick Mann, Rupinder Sahsi, Suneel Upadhye, Catherine M. Clement, Jennifer Brinkhurst, Christian Chabot, David Gibbons, Allan Skanes
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- Journal:
- Canadian Journal of Emergency Medicine / Volume 20 / Issue 3 / May 2018
- Published online by Cambridge University Press:
- 03 April 2018, pp. 334-342
- Print publication:
- May 2018
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A prebiotic galactooligosaccharide mixture reduces severity of hyperpnoea-induced bronchoconstriction and markers of airway inflammation
- Neil C. Williams, Michael A. Johnson, Dominick E. Shaw, Ian Spendlove, Jelena Vulevic, Graham R. Sharpe, Kirsty A. Hunter
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- British Journal of Nutrition / Volume 116 / Issue 5 / 14 September 2016
- Published online by Cambridge University Press:
- 03 August 2016, pp. 798-804
- Print publication:
- 14 September 2016
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Gut microbes have a substantial influence on systemic immune function and allergic sensitisation. Manipulation of the gut microbiome through prebiotics may provide a potential strategy to influence the immunopathology of asthma. This study investigated the effects of prebiotic Bimuno-galactooligosaccharide (B-GOS) supplementation on hyperpnoea-induced bronchoconstriction (HIB), a surrogate for exercise-induced bronchoconstriction, and airway inflammation. A total of ten adults with asthma and HIB and eight controls without asthma were randomised to receive 5·5 g/d of either B-GOS or placebo for 3 weeks separated by a 2-week washout period. The peak fall in forced expiratory volume in 1 s (FEV1) following eucapnic voluntary hyperpnoea (EVH) defined HIB severity. Markers of airway inflammation were measured at baseline and after EVH. Pulmonary function remained unchanged in the control group. In the HIB group, the peak post-EVH fall in FEV1 at day 0 (−880 (sd 480) ml) was unchanged after placebo, but was attenuated by 40 % (−940 (sd 460) v. −570 (sd 310) ml, P=0·004) after B-GOS. In the HIB group, B-GOS reduced baseline chemokine CC ligand 17 (399 (sd 140) v. 323 (sd 144) pg/ml, P=0·005) and TNF-α (2·68 (sd 0·98) v. 2·18 (sd 0·59) pg/ml, P=0·040) and abolished the EVH-induced 29 % increase in TNF-α. Baseline C-reactive protein was reduced following B-GOS in HIB (2·46 (sd 1·14) v. 1·44 (sd 0·41) mg/l, P=0·015) and control (2·16 (sd 1·02) v. 1·47 (sd 0·33) mg/l, P=0·050) groups. Chemokine CC ligand 11 and fraction of exhaled nitric oxide remained unchanged. B-GOS supplementation attenuated airway hyper-responsiveness with concomitant reductions in markers of airway inflammation associated with HIB.
Contributors
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- By Mitchell Aboulafia, Frederick Adams, Marilyn McCord Adams, Robert M. Adams, Laird Addis, James W. Allard, David Allison, William P. Alston, Karl Ameriks, C. Anthony Anderson, David Leech Anderson, Lanier Anderson, Roger Ariew, David Armstrong, Denis G. Arnold, E. J. Ashworth, Margaret Atherton, Robin Attfield, Bruce Aune, Edward Wilson Averill, Jody Azzouni, Kent Bach, Andrew Bailey, Lynne Rudder Baker, Thomas R. Baldwin, Jon Barwise, George Bealer, William Bechtel, Lawrence C. Becker, Mark A. Bedau, Ernst Behler, José A. Benardete, Ermanno Bencivenga, Jan Berg, Michael Bergmann, Robert L. Bernasconi, Sven Bernecker, Bernard Berofsky, Rod Bertolet, Charles J. Beyer, Christian Beyer, Joseph Bien, Joseph Bien, Peg Birmingham, Ivan Boh, James Bohman, Daniel Bonevac, Laurence BonJour, William J. Bouwsma, Raymond D. Bradley, Myles Brand, Richard B. Brandt, Michael E. Bratman, Stephen E. Braude, Daniel Breazeale, Angela Breitenbach, Jason Bridges, David O. Brink, Gordon G. Brittan, Justin Broackes, Dan W. Brock, Aaron Bronfman, Jeffrey E. Brower, Bartosz Brozek, Anthony Brueckner, Jeffrey Bub, Lara Buchak, Otavio Bueno, Ann E. Bumpus, Robert W. Burch, John Burgess, Arthur W. Burks, Panayot Butchvarov, Robert E. Butts, Marina Bykova, Patrick Byrne, David Carr, Noël Carroll, Edward S. Casey, Victor Caston, Victor Caston, Albert Casullo, Robert L. Causey, Alan K. L. Chan, Ruth Chang, Deen K. Chatterjee, Andrew Chignell, Roderick M. Chisholm, Kelly J. Clark, E. J. Coffman, Robin Collins, Brian P. Copenhaver, John Corcoran, John Cottingham, Roger Crisp, Frederick J. Crosson, Antonio S. Cua, Phillip D. Cummins, Martin Curd, Adam Cureton, Andrew Cutrofello, Stephen Darwall, Paul Sheldon Davies, Wayne A. Davis, Timothy Joseph Day, Claudio de Almeida, Mario De Caro, Mario De Caro, John Deigh, C. F. Delaney, Daniel C. Dennett, Michael R. DePaul, Michael Detlefsen, Daniel Trent Devereux, Philip E. Devine, John M. Dillon, Martin C. Dillon, Robert DiSalle, Mary Domski, Alan Donagan, Paul Draper, Fred Dretske, Mircea Dumitru, Wilhelm Dupré, Gerald Dworkin, John Earman, Ellery Eells, Catherine Z. Elgin, Berent Enç, Ronald P. Endicott, Edward Erwin, John Etchemendy, C. Stephen Evans, Susan L. Feagin, Solomon Feferman, Richard Feldman, Arthur Fine, Maurice A. Finocchiaro, William FitzPatrick, Richard E. Flathman, Gvozden Flego, Richard Foley, Graeme Forbes, Rainer Forst, Malcolm R. Forster, Daniel Fouke, Patrick Francken, Samuel Freeman, Elizabeth Fricker, Miranda Fricker, Michael Friedman, Michael Fuerstein, Richard A. Fumerton, Alan Gabbey, Pieranna Garavaso, Daniel Garber, Jorge L. A. Garcia, Robert K. Garcia, Don Garrett, Philip Gasper, Gerald Gaus, Berys Gaut, Bernard Gert, Roger F. Gibson, Cody Gilmore, Carl Ginet, Alan H. Goldman, Alvin I. Goldman, Alfonso Gömez-Lobo, Lenn E. Goodman, Robert M. Gordon, Stefan Gosepath, Jorge J. E. Gracia, Daniel W. Graham, George A. Graham, Peter J. Graham, Richard E. Grandy, I. Grattan-Guinness, John Greco, Philip T. Grier, Nicholas Griffin, Nicholas Griffin, David A. Griffiths, Paul J. Griffiths, Stephen R. Grimm, Charles L. Griswold, Charles B. Guignon, Pete A. Y. Gunter, Dimitri Gutas, Gary Gutting, Paul Guyer, Kwame Gyekye, Oscar A. Haac, Raul Hakli, Raul Hakli, Michael Hallett, Edward C. Halper, Jean Hampton, R. James Hankinson, K. R. Hanley, Russell Hardin, Robert M. Harnish, William Harper, David Harrah, Kevin Hart, Ali Hasan, William Hasker, John Haugeland, Roger Hausheer, William Heald, Peter Heath, Richard Heck, John F. Heil, Vincent F. Hendricks, Stephen Hetherington, Francis Heylighen, Kathleen Marie Higgins, Risto Hilpinen, Harold T. Hodes, Joshua Hoffman, Alan Holland, Robert L. Holmes, Richard Holton, Brad W. Hooker, Terence E. Horgan, Tamara Horowitz, Paul Horwich, Vittorio Hösle, Paul Hoβfeld, Daniel Howard-Snyder, Frances Howard-Snyder, Anne Hudson, Deal W. Hudson, Carl A. Huffman, David L. Hull, Patricia Huntington, Thomas Hurka, Paul Hurley, Rosalind Hursthouse, Guillermo Hurtado, Ronald E. Hustwit, Sarah Hutton, Jonathan Jenkins Ichikawa, Harry A. Ide, David Ingram, Philip J. Ivanhoe, Alfred L. Ivry, Frank Jackson, Dale Jacquette, Joseph Jedwab, Richard Jeffrey, David Alan Johnson, Edward Johnson, Mark D. Jordan, Richard Joyce, Hwa Yol Jung, Robert Hillary Kane, Tomis Kapitan, Jacquelyn Ann K. Kegley, James A. Keller, Ralph Kennedy, Sergei Khoruzhii, Jaegwon Kim, Yersu Kim, Nathan L. King, Patricia Kitcher, Peter D. Klein, E. D. Klemke, Virginia Klenk, George L. Kline, Christian Klotz, Simo Knuuttila, Joseph J. Kockelmans, Konstantin Kolenda, Sebastian Tomasz Kołodziejczyk, Isaac Kramnick, Richard Kraut, Fred Kroon, Manfred Kuehn, Steven T. Kuhn, Henry E. Kyburg, John Lachs, Jennifer Lackey, Stephen E. Lahey, Andrea Lavazza, Thomas H. Leahey, Joo Heung Lee, Keith Lehrer, Dorothy Leland, Noah M. Lemos, Ernest LePore, Sarah-Jane Leslie, Isaac Levi, Andrew Levine, Alan E. Lewis, Daniel E. Little, Shu-hsien Liu, Shu-hsien Liu, Alan K. L. Chan, Brian Loar, Lawrence B. Lombard, John Longeway, Dominic McIver Lopes, Michael J. Loux, E. J. Lowe, Steven Luper, Eugene C. Luschei, William G. Lycan, David Lyons, David Macarthur, Danielle Macbeth, Scott MacDonald, Jacob L. Mackey, Louis H. Mackey, Penelope Mackie, Edward H. Madden, Penelope Maddy, G. B. Madison, Bernd Magnus, Pekka Mäkelä, Rudolf A. Makkreel, David Manley, William E. Mann (W.E.M.), Vladimir Marchenkov, Peter Markie, Jean-Pierre Marquis, Ausonio Marras, Mike W. Martin, A. P. Martinich, William L. McBride, David McCabe, Storrs McCall, Hugh J. McCann, Robert N. McCauley, John J. McDermott, Sarah McGrath, Ralph McInerny, Daniel J. McKaughan, Thomas McKay, Michael McKinsey, Brian P. McLaughlin, Ernan McMullin, Anthonie Meijers, Jack W. Meiland, William Jason Melanson, Alfred R. Mele, Joseph R. Mendola, Christopher Menzel, Michael J. Meyer, Christian B. Miller, David W. Miller, Peter Millican, Robert N. Minor, Phillip Mitsis, James A. Montmarquet, Michael S. Moore, Tim Moore, Benjamin Morison, Donald R. Morrison, Stephen J. Morse, Paul K. Moser, Alexander P. D. Mourelatos, Ian Mueller, James Bernard Murphy, Mark C. Murphy, Steven Nadler, Jan Narveson, Alan Nelson, Jerome Neu, Samuel Newlands, Kai Nielsen, Ilkka Niiniluoto, Carlos G. Noreña, Calvin G. Normore, David Fate Norton, Nikolaj Nottelmann, Donald Nute, David S. Oderberg, Steve Odin, Michael O’Rourke, Willard G. Oxtoby, Heinz Paetzold, George S. Pappas, Anthony J. Parel, Lydia Patton, R. P. Peerenboom, Francis Jeffry Pelletier, Adriaan T. Peperzak, Derk Pereboom, Jaroslav Peregrin, Glen Pettigrove, Philip Pettit, Edmund L. Pincoffs, Andrew Pinsent, Robert B. Pippin, Alvin Plantinga, Louis P. Pojman, Richard H. Popkin, John F. Post, Carl J. Posy, William J. Prior, Richard Purtill, Michael Quante, Philip L. Quinn, Philip L. Quinn, Elizabeth S. Radcliffe, Diana Raffman, Gerard Raulet, Stephen L. Read, Andrews Reath, Andrew Reisner, Nicholas Rescher, Henry S. Richardson, Robert C. Richardson, Thomas Ricketts, Wayne D. Riggs, Mark Roberts, Robert C. Roberts, Luke Robinson, Alexander Rosenberg, Gary Rosenkranz, Bernice Glatzer Rosenthal, Adina L. Roskies, William L. Rowe, T. M. Rudavsky, Michael Ruse, Bruce Russell, Lilly-Marlene Russow, Dan Ryder, R. M. Sainsbury, Joseph Salerno, Nathan Salmon, Wesley C. Salmon, Constantine Sandis, David H. Sanford, Marco Santambrogio, David Sapire, Ruth A. Saunders, Geoffrey Sayre-McCord, Charles Sayward, James P. Scanlan, Richard Schacht, Tamar Schapiro, Frederick F. Schmitt, Jerome B. Schneewind, Calvin O. Schrag, Alan D. Schrift, George F. Schumm, Jean-Loup Seban, David N. Sedley, Kenneth Seeskin, Krister Segerberg, Charlene Haddock Seigfried, Dennis M. Senchuk, James F. Sennett, William Lad Sessions, Stewart Shapiro, Tommie Shelby, Donald W. Sherburne, Christopher Shields, Roger A. Shiner, Sydney Shoemaker, Robert K. Shope, Kwong-loi Shun, Wilfried Sieg, A. John Simmons, Robert L. Simon, Marcus G. Singer, Georgette Sinkler, Walter Sinnott-Armstrong, Matti T. Sintonen, Lawrence Sklar, Brian Skyrms, Robert C. Sleigh, Michael Anthony Slote, Hans Sluga, Barry Smith, Michael Smith, Robin Smith, Robert Sokolowski, Robert C. Solomon, Marta Soniewicka, Philip Soper, Ernest Sosa, Nicholas Southwood, Paul Vincent Spade, T. L. S. Sprigge, Eric O. Springsted, George J. Stack, Rebecca Stangl, Jason Stanley, Florian Steinberger, Sören Stenlund, Christopher Stephens, James P. Sterba, Josef Stern, Matthias Steup, M. A. Stewart, Leopold Stubenberg, Edith Dudley Sulla, Frederick Suppe, Jere Paul Surber, David George Sussman, Sigrún Svavarsdóttir, Zeno G. Swijtink, Richard Swinburne, Charles C. Taliaferro, Robert B. Talisse, John Tasioulas, Paul Teller, Larry S. Temkin, Mark Textor, H. S. Thayer, Peter Thielke, Alan Thomas, Amie L. Thomasson, Katherine Thomson-Jones, Joshua C. Thurow, Vzalerie Tiberius, Terrence N. Tice, Paul Tidman, Mark C. Timmons, William Tolhurst, James E. Tomberlin, Rosemarie Tong, Lawrence Torcello, Kelly Trogdon, J. D. Trout, Robert E. Tully, Raimo Tuomela, John Turri, Martin M. Tweedale, Thomas Uebel, Jennifer Uleman, James Van Cleve, Harry van der Linden, Peter van Inwagen, Bryan W. Van Norden, René van Woudenberg, Donald Phillip Verene, Samantha Vice, Thomas Vinci, Donald Wayne Viney, Barbara Von Eckardt, Peter B. M. Vranas, Steven J. Wagner, William J. Wainwright, Paul E. Walker, Robert E. Wall, Craig Walton, Douglas Walton, Eric Watkins, Richard A. Watson, Michael V. Wedin, Rudolph H. Weingartner, Paul Weirich, Paul J. Weithman, Carl Wellman, Howard Wettstein, Samuel C. Wheeler, Stephen A. White, Jennifer Whiting, Edward R. Wierenga, Michael Williams, Fred Wilson, W. Kent Wilson, Kenneth P. Winkler, John F. Wippel, Jan Woleński, Allan B. Wolter, Nicholas P. Wolterstorff, Rega Wood, W. Jay Wood, Paul Woodruff, Alison Wylie, Gideon Yaffe, Takashi Yagisawa, Yutaka Yamamoto, Keith E. Yandell, Xiaomei Yang, Dean Zimmerman, Günter Zoller, Catherine Zuckert, Michael Zuckert, Jack A. Zupko (J.A.Z.)
- Edited by Robert Audi, University of Notre Dame, Indiana
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- Book:
- The Cambridge Dictionary of Philosophy
- Published online:
- 05 August 2015
- Print publication:
- 27 April 2015, pp ix-xxx
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Understanding Practice: Factors That Influence Physician Hand Hygiene Compliance
- Janet E. Squires, Stefanie Linklater, Jeremy M. Grimshaw, Ian D. Graham, Katrina Sullivan, Natalie Bruce, Kathleen Gartke, Alan Karovitch, Virginia Roth, Karen Stockton, John Trickett, Jim Worthington, Kathryn N. Suh
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- Journal:
- Infection Control & Hospital Epidemiology / Volume 35 / Issue 12 / December 2014
- Published online by Cambridge University Press:
- 10 May 2016, pp. 1511-1520
- Print publication:
- December 2014
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Objective.
To identify the behavioral determinants—both barriers and enablers—that may impact physician hand hygiene compliance.
Design.A qualitative study involving semistructured key informant interviews with staff physicians and residents.
Setting.An urban, 1,100-bed multisite tertiary care Canadian hospital.
Participants.A total of 42 staff physicians and residents in internal medicine and surgery.
Methods.Semistructured interviews were conducted using an interview guide that was based on the theoretical domains framework (TDF), a behavior change framework comprised of 14 theoretical domains that explain health-related behavior change. Interview transcripts were analyzed using thematic content analysis involving a systematic 3-step approach: coding, generation of specific beliefs, and identification of relevant TDF domains.
Results.Similar determinants were reported by staff physicians and residents and between medicine and surgery. A total of 53 specific beliefs from 9 theoretical domains were identified as relevant to physician hand hygiene compliance. The 9 relevant domains were knowledge; skills; beliefs about capabilities; beliefs about consequences; goals; memory, attention, and decision processes; environmental context and resources; social professional role and identity; and social influences.
Conclusions.We identified several key determinants that physicians believe influence whether and when they practice hand hygiene at work. These beliefs identify potential individual, team, and organization targets for behavior change interventions to improve physician hand hygiene compliance.
Infect Control Hosp Epidemiol 2014;35(12):1511–1520
Psychosocial Interventions for Schizophrenia
- Ian R. H. Falloon, Charles Brooker, Victor Graham-Hole
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- Journal:
- Behaviour Change / Volume 9 / Issue 4 / December 1992
- Published online by Cambridge University Press:
- 06 October 2014, pp. 238-245
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During the past decade there has been a major advance in clinical management of schizophrenic disorders (Falloon & Shanahan, 1990; Lam, 1991; Schooler & Hogarty, 1987). This has resulted from application of strategies based upon a vulnerability-stress model of mental disorders. This considers mental disorders to result from interactions between specific biological vulnerability and non-specific environmental stresses (Falloon & Fadden, 1993).
Therapeutic interventions derived from this model combine biomedical strategies, predominantly optimal pharmacotherapy, with psychosocial strategies that aim to enhance the capacity of the index patient and his/her social network to cope with the impact of environmental stresses on the course of the disorder. Ten controlled studies have been published since 1980 that meet minimal standards of research design, with follow-up for at least 1 year (Bellack, Turner, Hersen, & Luber, 1985; Falloon, 1985; Gunderson et al., 1984; Hogarty et al., 1986; Leff, Kuipers, Berkowitz, Eberlein-Fries, & Sturgeon, 1982; Leff et al., 1989; Malm, 1982; McFarlane, 1990; Tarrier et al., 1988; Wallace & Liberman, 1985). Nine also provided 2-year results. Overall, these studies show that the addition of psychosocial strategies to optimal case management and long-term drug prophylaxis halves the rate of major clinical exacerbations in people suffering from schizophrenia. This benefit is most notable during the first year after a major schizophrenic episode, particularly when the psychosocial interventions encompass patients' immediate social support systems, usually the family or marital household (Falloon, 1985; Hogarty et al., 1986; Leff et al., 1982; Leff et al., 1989; McFarlane, 1990; Tarrier et al., 1988).
five - Beyond transport: understanding the role of mobilities in connecting rural elders in civic society
- Edited by Catherine Hagan Hennessy, Robin Means, University of the West of England, Vanessa Burholt, Swansea University
- Foreword by Alan Walker
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- Book:
- Countryside Connections
- Published by:
- Bristol University Press
- Published online:
- 04 March 2022
- Print publication:
- 29 April 2014, pp 125-158
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Summary
Introduction
This chapter argues for an understanding of connectivity through mobility by elders living in rural areas that goes beyond the traditional transport planning focus on the supply of and demand for transport services. This involves consideration of not just physical movement, but also all the other ways in which older people can be ‘mobile’ for connectivity and the wider benefits and meanings mobility brings, for example, video-calling grandchildren using computer software, finding out about shopping delivery services for use in bad weather or compiling a scrapbook about a past alpine holiday. Following a brief review of methods, a conceptual framework for mobility that can be applied across the life course is presented. The following section applies this framework as a context to understanding some of the key mobility policy and practice challenges for the promotion of the connectivity of rural elders, which relate to the availability of mobility options – cars in particular – and the associated issues of accessibility and mobility-linked social exclusion. It is concluded that the more holistic appraisal of mobility for older citizens brings important conceptual benefits. A picture emerges of rural areas being ‘car-intensive’, but less car-dependent than identified in previous studies, with accessibility for connectivity also relatively unproblematic for the majority, although with minorities representing important exceptions. Practical relevance is drawn out for planning and urban design, as well as for health and social care professionals.
Methods
The analysis draws on the quantitative survey described in Chapter One and two qualitative data-collection activities conducted specifically for the mobility and transport study that was part of the Grey and Pleasant Land (GaPL) project: 45 semi-structured interviews, for which the participants were selected to represent a range of mobility lifestyles; and 10 phenomenological interviews, with participants selected according to varying health and mobility statuses.
The GaPL survey contained a series of mobility-related questions that addressed travel patterns and behaviours, mode choice (including over time), and whether mobility played a role in either exclusion from, or engagement with, the local community. Participants in the semi-structured interviews were mostly recruited from volunteers identified through the quantitative survey, but due to the low representation in the quantitative survey sample of a particular group of interest (people who had recently given up car-driving), seven further participants were recruited from outside of the quantitative survey sample.
Developing a Consensus Framework and Risk Profile for Agents of Opportunity in Academic Medical Centers: Implications for Public Health Preparedness
- Brenna M. Farmer, Lewis S. Nelson, Margaret E. Graham, Carly Bendzans, Aileen M. McCrillis, Ian Portelli, Meng Zhang, Judith Goldberg, Sheldon D. Rosenberg, Lewis R. Goldfrank, Michael Tunik
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- Journal:
- Disaster Medicine and Public Health Preparedness / Volume 4 / Issue 4 / December 2010
- Published online by Cambridge University Press:
- 08 April 2013, pp. 318-325
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Agents of opportunity (AO) in academic medical centers (AMC) are defined as unregulated or lightly regulated substances used for medical research or patient care that can be used as “dual purpose” substances by terrorists to inflict damage upon populations. Most of these agents are used routinely throughout AMC either during research or for general clinical practice. To date, the lack of careful regulations for AOs creates uncertain security conditions and increased malicious potential. Using a consensus-based approach, we collected information and opinions from staff working in an AMC and 4 AMC-affiliated hospitals concerning identification of AO, AO attributes, and AMC risk and preparedness, focusing on AO security and dissemination mechanisms and likely hospital response. The goal was to develop a risk profile and framework for AO in the institution. Agents of opportunity in 4 classes were identified and an AO profile was developed, comprising 16 attributes denoting information critical to preparedness for AO misuse. Agents of opportunity found in AMC present a unique and vital gap in public health preparedness. Findings of this project may provide a foundation for a discussion and consensus efforts to determine a nationally accepted risk profile framework for AO. This foundation may further lead to the implementation of appropriate regulatory policies to improve public health preparedness. Agents of opportunity modeling of dissemination properties should be developed to better predict AO risk.
(Disaster Med Public Health Preparedness. 2010;4:318-325)
Agent of Opportunity Risk Mitigation: People, Engineering, and Security Efficacy
- Margaret E. Graham, Michael G. Tunik, Brenna M. Farmer, Carly Bendzans, Aileen M. McCrillis, Lewis S. Nelson, Ian Portelli, Silas Smith, Judith D. Goldberg, Meng Zhang, Sheldon D. Rosenberg, Lewis R. Goldfrank
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- Journal:
- Disaster Medicine and Public Health Preparedness / Volume 4 / Issue 4 / December 2010
- Published online by Cambridge University Press:
- 08 April 2013, pp. 291-299
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Background: Agents of opportunity (AO) are potentially harmful biological, chemical, radiological, and pharmaceutical substances commonly used for health care delivery and research. AOs are present in all academic medical centers (AMC), creating vulnerability in the health care sector; AO attributes and dissemination methods likely predict risk; and AMCs are inadequately secured against a purposeful AO dissemination, with limited budgets and competing priorities. We explored health care workers' perceptions of AMC security and the impact of those perceptions on AO risk.
Methods: Qualitative methods (survey, interviews, and workshops) were used to collect opinions from staff working in a medical school and 4 AMC-affiliated hospitals concerning AOs and the risk to hospital infrastructure associated with their uncontrolled presence. Secondary to this goal, staff perception concerning security, or opinions about security behaviors of others, were extracted, analyzed, and grouped into themes.
Results: We provide a framework for depicting the interaction of staff behavior and access control engineering, including the tendency of staff to “defeat” inconvenient access controls. In addition, 8 security themes emerged: staff security behavior is a significant source of AO risk; the wide range of opinions about “open” front-door policies among AMC staff illustrates a disparity of perceptions about the need for security; interviewees expressed profound skepticism concerning the effectiveness of front-door access controls; an AO risk assessment requires reconsideration of the security levels historically assigned to areas such as the loading dock and central distribution sites, where many AOs are delivered and may remain unattended for substantial periods of time; researchers' view of AMC security is influenced by the ongoing debate within the scientific community about the wisdom of engaging in bioterrorism research; there was no agreement about which areas of the AMC should be subject to stronger access controls; security personnel play dual roles of security and customer service, creating the negative perception that neither role is done well; and budget was described as an important factor in explaining the state of security controls.
Conclusions: We determined that AMCs seeking to reduce AO risk should assess their institutionally unique AO risks, understand staff security perceptions, and install access controls that are responsive to the staff's tendency to defeat them. The development of AO attribute fact sheets is desirable for AO risk assessment; new funding and administrative or legislative tools to improve AMC security are required; and security practices and methods that are convenient and effective should be engineered.
(Disaster Med Public Health Preparedness. 2010;4:291-299)
6 - Using molecular breeding to improve orphan crops for emerging economies
- from Part 1 - The issues of plant science and food security
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- By Ian Graham
- Edited by David J. Bennett, St Edmund's College, Cambridge, Richard C. Jennings, University of Cambridge
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- Book:
- Successful Agricultural Innovation in Emerging Economies
- Published online:
- 05 March 2013
- Print publication:
- 07 March 2013, pp 95-106
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Authors' biographies
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- By Alfredo Aguilar, Klaus Ammann, Tina Barsby, David Baulcombe, Roger Beachy, David J. Bennett, Jack A. Bobo, Graham Brookes, Samuel Burckhardt, Claudia Canales Holzeis, Mark F. Cantley, Eugenio J. Cap, Danuta Cichocka, Gordon Conway, Adrian Dubock, Jim M. Dunwell, Ioannis Economidis, Claude Fischler, George Gaskell, Ian Graham, Julian Gray, Jonathan Gressel, Brian Heap, T. J. V. Higgins, Jens Högel, Richard C. Jennings, Drew L. Kershen, Christopher J. Leaver, Lu Bao-rong, Diran Makinde, Carel du Marchie Sarvaas, Nathalie Moll, Larry Murdock, Martin Porter, Wayne Powell, Tim Radford, Chavali Kameswara Rao, Pamela Ronald, Piet Schenkelaars, Idah Sithole-Niang, Sally Stares, Eduardo J. Trigo, Piero Venturi, Katy Wilson
- Edited by David J. Bennett, St Edmund's College, Cambridge, Richard C. Jennings, University of Cambridge
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- Book:
- Successful Agricultural Innovation in Emerging Economies
- Published online:
- 05 March 2013
- Print publication:
- 07 March 2013, pp viii-xxviii
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Filmed v. live social contact interventions to reduce stigma: randomised controlled trial
- Sarah Clement, Adrienne van Nieuwenhuizen, Aliya Kassam, Clare Flach, Anisha Lazarus, Melanie De Castro, Paul McCrone, Ian Norman, Graham Thornicroft
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- Journal:
- The British Journal of Psychiatry / Volume 201 / Issue 1 / July 2012
- Published online by Cambridge University Press:
- 02 January 2018, pp. 57-64
- Print publication:
- July 2012
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Background
Direct social contact interventions are known to reduce mental health stigma. Filmed social contact may be equally effective and have practical and cost advantages.
AimsTo compare the effectiveness of a DVD, a live intervention and a lecture control, in reducing stigma, testing the hypotheses that: (a) DVD and live interventions will be equally effective; and (b) the interventions with social contact (DVD/live) will be more effective than the lecture. Cost-effectiveness, process and acceptability are also assessed.
MethodStudent nurses were randomised to: (a) watch a DVD of service users/informal carers talking about their experiences, (b) watch a similar live presentation, or (c) attend a lecture. Primary outcomes were changes in attitudes (using the Mental Illness: Clinicians Attitudes Scale, MICA), emotional reactions (using the Emotional Reactions to Mental Illness Scale, ERMIS), intended proximity (using the Reported and Intended Behaviour Scale, RIBS), and knowledge (using the Social Contact Intended Learning Outcomes, SCILO), immediately after the intervention and at 4-month follow-up.
ResultsFor the 216 participants, there were no differences between the DVD and live groups on MICA, ERMIS or RIBS scores. The DVD group had higher SCILO (knowledge) scores. The combined social contact group (DVD/live) had better MICA and RIBS scores than the lecture group, the latter difference maintained at 4 months. The DVD was the most cost-effective of the interventions, and the live session the most popular.
ConclusionsOur hypotheses were confirmed. This study supports the wider use of filmed social contact interventions to reduce stigma about mental illness.