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A 50-year-old redescription: molecular and morphometric characterization of Hepatozoon carinicauda Pessôa and Cavalheiro, 1969 in the brown-banded water snake Helicops angulatus (Linnaeus, 1758)
- Fabiane R. de Paula, Amanda M. Picelli, Lívia Perles, Marcos R. André, Lúcio A. Viana
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- Journal:
- Parasitology / Volume 149 / Issue 11 / September 2022
- Published online by Cambridge University Press:
- 03 August 2022, pp. 1468-1478
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The combined use of molecular and microscopic techniques has become an increasingly common and efficient practice for the taxonomic and evolutionary understanding of single-celled parasites such as haemogregarines. Based on this integrative approach, we characterized Hepatozoon found in Helicops angulatus snakes from the Eastern Amazonia, Brazil. The gamonts observed caused cell hypertrophy and were extremely elongated and, in some cases, piriform (mean dimensions: 25.3 ± 1.9 × 8.6 ± 1.3 μm). These morphological features correspond to Hepatozoon carinicauda, described 50 years ago in the snake Helicops carinicaudus in the southeast region of Brazil. Phylogenetic and genetic divergence analyses, performed with the sequence obtained from the amplification of a 590 bp fragment of the 18S rRNA gene, revealed that Hepatozoon in He. angulatus differed from the other lineages retrieved from GenBank, and was clustered singly in both the phylogenetic tree and the haplotype network. The integration of these data allowed the identification of H. carinicauda in a new aquatic host, and increased the knowledge of its geographical distribution. Therefore, the present study included the first redescription of a Hepatozoon species in a snake from the Brazilian Amazon.
Impact of data extraction errors in meta-analyses on the association between depression and peripheral inflammatory biomarkers: an umbrella review
- San Lee, Keum Hwa Lee, Kyung Mee Park, Sung Jong Park, Won Jae Kim, Jinhee Lee, Andreas Kronbichler, Lee Smith, Marco Solmi, Brendon Stubbs, Ai Koyanagi, Louis Jacob, Andrew Stickley, Trevor Thompson, Elena Dragioti, Hans Oh, Andre R. Brunoni, Andre F. Carvalho, Joaquim Radua, Suk Kyoon An, Kee Namkoong, Eun Lee, Jae Il Shin, Paolo Fusar-Poli
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- Journal:
- Psychological Medicine / Volume 53 / Issue 5 / April 2023
- Published online by Cambridge University Press:
- 09 November 2021, pp. 2017-2030
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Background
Accumulating evidence suggests that alterations in inflammatory biomarkers are important in depression. However, previous meta-analyses disagree on these associations, and errors in data extraction may account for these discrepancies.
MethodsPubMed/MEDLINE, Embase, PsycINFO, and the Cochrane Library were searched from database inception to 14 January 2020. Meta-analyses of observational studies examining the association between depression and levels of tumor necrosis factor-α (TNF-α), interleukin 1-β (IL-1β), interleukin-6 (IL-6), and C-reactive protein (CRP) were eligible. Errors were classified as follows: incorrect sample sizes, incorrectly used standard deviation, incorrect participant inclusion, calculation error, or analysis with insufficient data. We determined their impact on the results after correction thereof.
ResultsErrors were noted in 14 of the 15 meta-analyses included. Across 521 primary studies, 118 (22.6%) showed the following errors: incorrect sample sizes (20 studies, 16.9%), incorrect use of standard deviation (35 studies, 29.7%), incorrect participant inclusion (7 studies, 5.9%), calculation errors (33 studies, 28.0%), and analysis with insufficient data (23 studies, 19.5%). After correcting these errors, 11 (29.7%) out of 37 pooled effect sizes changed by a magnitude of more than 0.1, ranging from 0.11 to 1.15. The updated meta-analyses showed that elevated levels of TNF- α, IL-6, CRP, but not IL-1β, are associated with depression.
ConclusionsThese findings show that data extraction errors in meta-analyses can impact findings. Efforts to reduce such errors are important in studies of the association between depression and peripheral inflammatory biomarkers, for which high heterogeneity and conflicting results have been continuously reported.
Trichotillomania—psychopathological correlates and associations with health-related quality of life in a large sample
- Andre P. Bezerra, Myrela O. Machado, Michel Maes, Donatella Marazziti, Paulo R. Nunes-Neto, Marco Solmi, Joseph Firth, M. Ishrat Husain, Andre R. Brunoni, Paul Kurdyak, Lee Smith, Afsaneh Alavi, Vincent Piguet, André F. Carvalho
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- Journal:
- CNS Spectrums / Volume 26 / Issue 3 / June 2021
- Published online by Cambridge University Press:
- 08 April 2020, pp. 282-289
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Background
Relatively few studies have assessed the prevalence, correlates, and independent impact on quality of life (QoL) of trichotillomania (TTM) in large samples.
MethodsConsecutive participants (N = 7639) were recruited from a cross-sectional web-based study. Sociodemographic data were collected and several validated self-reported mental health measures were completed (Minnesota Impulsive Disorders Interview, Hypomania checklist, Fagerström Test for Nicotine Dependence, Alcohol Use Disorders Identification Test, Early Trauma Inventory Self Report–Short Form, and the Symptom Checklist-90–Revised Inventory). Health-related QoL was assessed with the World Health Organization QoL abbreviated scale (WHOQOL-Bref). Multivariable models adjusted associations to potential confounders.
ResultsThe sample was predominantly composed of young females (71.3%; mean age: 27.2 ± 7.9 years). The prevalence of probable TTM was 1.4% (95% confidence intervals [CI]: 1.2-1.7), and was more common among females. Participants with probable TTM had a greater likelihood of having co-occurring probable depression (adjusted odds ratio [ORadj] = 1.744; 95% CI: 1.187-2.560), tobacco (ORadj = 2.250; 95% CI: 1.191-4.250), and alcohol (ORadj = 1.751; 95% CI: 1.169-2.621) use disorders. Probable TTM was also independently associated with suicidal ideation (ORadj = 1.917; 95% CI: 1.224-3.003) and exposure to childhood sexual abuse (ORadj = 1.221; 95% CI: 1.098-1.358). In addition, a positive screen for TTM had more impaired physical and mental QoL.
ConclusionsTTM was associated with a positive screen for several psychiatric comorbidities as well as impaired physical and psychological QoL. Efforts towards the recognition and treatment of TTM across psycho-dermatology services are warranted.
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- By Frank Andrasik, Melissa R. Andrews, Ana Inés Ansaldo, Evangelos G. Antzoulatos, Lianhua Bai, Ellen Barrett, Linamara Battistella, Nicolas Bayle, Michael S. Beattie, Peter J. Beek, Serafin Beer, Heinrich Binder, Claire Bindschaedler, Sarah Blanton, Tasia Bobish, Michael L. Boninger, Joseph F. Bonner, Chadwick B. Boulay, Vanessa S. Boyce, Anna-Katharine Brem, Jacqueline C. Bresnahan, Floor E. Buma, Mary Bartlett Bunge, John H. Byrne, Jeffrey R. Capadona, Stefano F. Cappa, Diana D. Cardenas, Leeanne M. Carey, S. Thomas Carmichael, Glauco A. P. Caurin, Pablo Celnik, Kimberly M. Christian, Stephanie Clarke, Leonardo G. Cohen, Adriana B. Conforto, Rory A. Cooper, Rosemarie Cooper, Steven C. Cramer, Armin Curt, Mark D’Esposito, Matthew B. Dalva, Gavriel David, Brandon Delia, Wenbin Deng, Volker Dietz, Bruce H. Dobkin, Marco Domeniconi, Edith Durand, Tracey Vause Earland, Georg Ebersbach, Jonathan J. Evans, James W. Fawcett, Uri Feintuch, Toby A. Ferguson, Marie T. Filbin, Diasinou Fioravante, Itzhak Fischer, Agnes Floel, Herta Flor, Karim Fouad, Richard S. J. Frackowiak, Peter H. Gorman, Thomas W. Gould, Jean-Michel Gracies, Amparo Gutierrez, Kurt Haas, C.D. Hall, Hans-Peter Hartung, Zhigang He, Jordan Hecker, Susan J. Herdman, Seth Herman, Leigh R. Hochberg, Ahmet Höke, Fay B. Horak, Jared C. Horvath, Richard L. Huganir, Friedhelm C. Hummel, Beata Jarosiewicz, Frances E. Jensen, Michael Jöbges, Larry M. Jordan, Jon H. Kaas, Andres M. Kanner, Noomi Katz, Matthew S. Kayser, Annmarie Kelleher, Gerd Kempermann, Timothy E. Kennedy, Jürg Kesselring, Fary Khan, Rachel Kizony, Jeffery D. Kocsis, Boudewijn J. Kollen, Hubertus Köller, John W. Krakauer, Hermano I. Krebs, Gert Kwakkel, Bradley Lang, Catherine E. Lang, Helmar C. Lehmann, Angelo C. Lepore, Glenn S. Le Prell, Mindy F. Levin, Joel M. Levine, David A. Low, Marilyn MacKay-Lyons, Jeffrey D. Macklis, Margaret Mak, Francine Malouin, William C. Mann, Paul D. Marasco, Christopher J. Mathias, Laura McClure, Jan Mehrholz, Lorne M. Mendell, Robert H. Miller, Carol Milligan, Beth Mineo, Simon W. Moore, Jennifer Morgan, Charbel E-H. Moussa, Martin Munz, Randolph J. Nudo, Joseph J. Pancrazio, Theresa Pape, Alvaro Pascual-Leone, Kristin M. Pearson-Fuhrhop, P. Hunter Peckham, Tamara L. Pelleshi, Catherine Verrier Piersol, Thomas Platz, Marcus Pohl, Dejan B. Popović, Andrew M. Poulos, Maulik Purohit, Hui-Xin Qi, Debbie Rand, Mahendra S. Rao, Josef P. Rauschecker, Aimee Reiss, Carol L. Richards, Keith M. Robinson, Melvyn Roerdink, John C. Rosenbek, Serge Rossignol, Edward S. Ruthazer, Arash Sahraie, Krishnankutty Sathian, Marc H. Schieber, Brian J. Schmidt, Michael E. Selzer, Mijail D. Serruya, Himanshu Sharma, Michael Shifman, Jerry Silver, Thomas Sinkjær, George M. Smith, Young-Jin Son, Tim Spencer, John D. Steeves, Oswald Steward, Sheela Stuart, Austin J. Sumner, Chin Lik Tan, Robert W. Teasell, Gareth Thomas, Aiko K. Thompson, Richard F. Thompson, Wesley J. Thompson, Erika Timar, Ceri T. Trevethan, Christopher Trimby, Gary R. Turner, Mark H. Tuszynski, Erna A. van Niekerk, Ricardo Viana, Difei Wang, Anthony B. Ward, Nick S. Ward, Stephen G. Waxman, Patrice L. Weiss, Jörg Wissel, Steven L. Wolf, Jonathan R. Wolpaw, Sharon Wood-Dauphinee, Ross D. Zafonte, Binhai Zheng, Richard D. Zorowitz
- Edited by Michael Selzer, Stephanie Clarke, Leonardo Cohen, Gert Kwakkel, Robert Miller, Case Western Reserve University, Ohio
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- Book:
- Textbook of Neural Repair and Rehabilitation
- Published online:
- 05 May 2014
- Print publication:
- 24 April 2014, pp ix-xvi
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- By Frank Andrasik, Melissa R. Andrews, Ana Inés Ansaldo, Evangelos G. Antzoulatos, Lianhua Bai, Ellen Barrett, Linamara Battistella, Nicolas Bayle, Michael S. Beattie, Peter J. Beek, Serafin Beer, Heinrich Binder, Claire Bindschaedler, Sarah Blanton, Tasia Bobish, Michael L. Boninger, Joseph F. Bonner, Chadwick B. Boulay, Vanessa S. Boyce, Anna-Katharine Brem, Jacqueline C. Bresnahan, Floor E. Buma, Mary Bartlett Bunge, John H. Byrne, Jeffrey R. Capadona, Stefano F. Cappa, Diana D. Cardenas, Leeanne M. Carey, S. Thomas Carmichael, Glauco A. P. Caurin, Pablo Celnik, Kimberly M. Christian, Stephanie Clarke, Leonardo G. Cohen, Adriana B. Conforto, Rory A. Cooper, Rosemarie Cooper, Steven C. Cramer, Armin Curt, Mark D’Esposito, Matthew B. Dalva, Gavriel David, Brandon Delia, Wenbin Deng, Volker Dietz, Bruce H. Dobkin, Marco Domeniconi, Edith Durand, Tracey Vause Earland, Georg Ebersbach, Jonathan J. Evans, James W. Fawcett, Uri Feintuch, Toby A. Ferguson, Marie T. Filbin, Diasinou Fioravante, Itzhak Fischer, Agnes Floel, Herta Flor, Karim Fouad, Richard S. J. Frackowiak, Peter H. Gorman, Thomas W. Gould, Jean-Michel Gracies, Amparo Gutierrez, Kurt Haas, C.D. Hall, Hans-Peter Hartung, Zhigang He, Jordan Hecker, Susan J. Herdman, Seth Herman, Leigh R. Hochberg, Ahmet Höke, Fay B. Horak, Jared C. Horvath, Richard L. Huganir, Friedhelm C. Hummel, Beata Jarosiewicz, Frances E. Jensen, Michael Jöbges, Larry M. Jordan, Jon H. Kaas, Andres M. Kanner, Noomi Katz, Matthew S. Kayser, Annmarie Kelleher, Gerd Kempermann, Timothy E. Kennedy, Jürg Kesselring, Fary Khan, Rachel Kizony, Jeffery D. Kocsis, Boudewijn J. Kollen, Hubertus Köller, John W. Krakauer, Hermano I. Krebs, Gert Kwakkel, Bradley Lang, Catherine E. Lang, Helmar C. Lehmann, Angelo C. Lepore, Glenn S. Le Prell, Mindy F. Levin, Joel M. Levine, David A. Low, Marilyn MacKay-Lyons, Jeffrey D. Macklis, Margaret Mak, Francine Malouin, William C. Mann, Paul D. Marasco, Christopher J. Mathias, Laura McClure, Jan Mehrholz, Lorne M. Mendell, Robert H. Miller, Carol Milligan, Beth Mineo, Simon W. Moore, Jennifer Morgan, Charbel E-H. Moussa, Martin Munz, Randolph J. Nudo, Joseph J. Pancrazio, Theresa Pape, Alvaro Pascual-Leone, Kristin M. Pearson-Fuhrhop, P. Hunter Peckham, Tamara L. Pelleshi, Catherine Verrier Piersol, Thomas Platz, Marcus Pohl, Dejan B. Popović, Andrew M. Poulos, Maulik Purohit, Hui-Xin Qi, Debbie Rand, Mahendra S. Rao, Josef P. Rauschecker, Aimee Reiss, Carol L. Richards, Keith M. Robinson, Melvyn Roerdink, John C. Rosenbek, Serge Rossignol, Edward S. Ruthazer, Arash Sahraie, Krishnankutty Sathian, Marc H. Schieber, Brian J. Schmidt, Michael E. Selzer, Mijail D. Serruya, Himanshu Sharma, Michael Shifman, Jerry Silver, Thomas Sinkjær, George M. Smith, Young-Jin Son, Tim Spencer, John D. Steeves, Oswald Steward, Sheela Stuart, Austin J. Sumner, Chin Lik Tan, Robert W. Teasell, Gareth Thomas, Aiko K. Thompson, Richard F. Thompson, Wesley J. Thompson, Erika Timar, Ceri T. Trevethan, Christopher Trimby, Gary R. Turner, Mark H. Tuszynski, Erna A. van Niekerk, Ricardo Viana, Difei Wang, Anthony B. Ward, Nick S. Ward, Stephen G. Waxman, Patrice L. Weiss, Jörg Wissel, Steven L. Wolf, Jonathan R. Wolpaw, Sharon Wood-Dauphinee, Ross D. Zafonte, Binhai Zheng, Richard D. Zorowitz
- Edited by Michael E. Selzer, Stephanie Clarke, Leonardo G. Cohen, Gert Kwakkel, Robert H. Miller, Case Western Reserve University, Ohio
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- Book:
- Textbook of Neural Repair and Rehabilitation
- Published online:
- 05 June 2014
- Print publication:
- 24 April 2014, pp ix-xvi
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Merging the Matrix: Stratigraphy, Radiocarbon Dates, and Fire Regimens in the Ambato Valley (Catamarca, NW Argentina)
- M Bernarda Marconetto, Marcos R Gastaldi, Henrik B Lindskoug, Andrés G Laguens
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- Journal:
- Radiocarbon / Volume 56 / Issue 1 / 2014
- Published online by Cambridge University Press:
- 26 July 2016, pp. 189-207
- Print publication:
- 2014
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This article compares radiocarbon dates and the stratigraphic matrix obtained from excavations at the Piedras Blancas archaeological site, Ambato Valley, NW Argentina. Analysis revealed inconsistencies between 14C dates and certain events that can be clearly identified in the stratigraphy of the site. This fact led first to recognize the importance of a detailed stratigraphic record to allow a point of control and comparison. Secondly, this article discusses for the present case, (a) the consistency shown by the dating performed on bone materials in relation to the stratigraphic matrix and (b) the inconsistencies identified in relation to the dating performed on charred plant material, although this type of material was chosen for collection and dating using all appropriate caution to prevent dating bias. Finally, the possibility is considered that the dated plant materials could be affected by the high microcharcoal concentrations observed in the valley's sediments as the result of fire regimes with a high frequency, which seem to have existed since at least about 4000 BP.
Deliberative inclusion of minorities: patterns of reciprocity among linguistic groups in Switzerland
- Seraina Pedrini, André Bächtiger, Marco R. Steenbergen
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- Journal:
- European Political Science Review / Volume 5 / Issue 3 / November 2013
- Published online by Cambridge University Press:
- 21 November 2012, pp. 483-512
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We present a model of deliberative inclusion, focusing on reciprocity in the interaction between structural minorities/disadvantaged groups and majorities/privileged groups. Our model, however, comes with a ‘friendly amendment’: we have put the ‘burden of reciprocity’ mainly on majorities and privileged groups. It is mainly their obligation to seriously listen and respond to the demands and arguments of minorities and disadvantaged groups and show a willingness to respect and accommodate these interests. Empirically, we apply our model to the interaction of linguistic groups in the Swiss parliament. We find a highly egalitarian, sometimes even minority-favoring mode of interaction between the German-speaking majority and linguistic minorities. The German-speaking majority seems to be willing to take the ‘burden of reciprocity’ when linguistic minorities’ vital interests are concerned. Conversely, linguistic minorities are slightly more self-referential and adversarial under such conditions.
Synthesis and Characterization of Multi-Walled Carbon Nanotubes with Semiconductor Nanoparticles for Optoelectronics
- Marcos F. O. Silva, Wagner N. Rodrigues, André S. Ferlauto, Luiz O. Ladeira, Carlos B. Pinheiro, Douglas R. Miquita
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- Journal:
- MRS Online Proceedings Library Archive / Volume 1396 / 2012
- Published online by Cambridge University Press:
- 12 April 2012, mrsf11-1396-o07-16
- Print publication:
- 2012
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We demonstrate an easy way of decorating MWCNTs with CdS and CuxSy using the solvothermal method.
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- By Albert P. Aldenkamp, Fizzah Ali BMedSc, Frank M.C. Besag, Penny Blake, Sarah Broicher, Andrea Eugenio Cavanna, Thierry Deonna, Marie-Aline Eden, Alan B. Ettinger, Christoph Helmstaedter, Dale C. Hesdorffer, Hennric Jokeit, Kousuke Kanemoto, Andres M. Kanner, Mike Kerr, Steffi Koch-Stoecker, Ennapadam S. Krishnamoorthy, W. Curt LaFrance, Marco Mula, Jane V. Perr, Bernd Pohlmann-Eden, Eliane Roulet-Perez, Bettina Schmitz, Tanvir Syed, Michael R. Trimble, Juri-Alexander Witt
- Edited by Michael R. Trimble, Institute of Neurology, London, Bettina Schmitz
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- The Neuropsychiatry of Epilepsy
- Published online:
- 07 October 2011
- Print publication:
- 09 June 2011, pp vi-viii
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. Chapman, James H. Charlesworth, Kenneth R. Chase, Chen Zemin, Luciano Chianeque, Philip Chia Phin Yin, Francisca H. Chimhanda, Daniel Chiquete, John T. Chirban, Soobin Choi, Robert Choquette, Mita Choudhury, Gerald Christianson, John Chryssavgis, Sejong Chun, Esther Chung-Kim, Charles M. A. Clark, Elizabeth A. Clark, Sathianathan Clarke, Fred Cloud, John B. Cobb, W. Owen Cole, John A Coleman, John J. Collins, Sylvia Collins-Mayo, Paul K. Conkin, Beth A. Conklin, Sean Connolly, Demetrios J. Constantelos, Michael A. Conway, Paula M. Cooey, Austin Cooper, Michael L. Cooper-White, Pamela Cooper-White, L. William Countryman, Sérgio Coutinho, Pamela Couture, Shannon Craigo-Snell, James L. Crenshaw, David Crowner, Humberto Horacio Cucchetti, Lawrence S. Cunningham, Elizabeth Mason Currier, Emmanuel Cutrone, Mary L. Daniel, David D. Daniels, Robert Darden, Rolf Darge, Isaiah Dau, Jeffry C. Davis, Jane Dawson, Valentin Dedji, John W. de Gruchy, Paul DeHart, Wendy J. Deichmann Edwards, Miguel A. De La Torre, George E. Demacopoulos, Thomas de Mayo, Leah DeVun, Beatriz de Vasconcellos Dias, Dennis C. Dickerson, John M. Dillon, Luis Miguel Donatello, Igor Dorfmann-Lazarev, Susanna Drake, Jonathan A. Draper, N. Dreher Martin, Otto Dreydoppel, Angelyn Dries, A. J. Droge, Francis X. D'Sa, Marilyn Dunn, Nicole Wilkinson Duran, Rifaat Ebied, Mark J. Edwards, William H. Edwards, Leonard H. Ehrlich, Nancy L. Eiesland, Martin Elbel, J. Harold Ellens, Stephen Ellingson, Marvin M. Ellison, Robert Ellsberg, Jean Bethke Elshtain, Eldon Jay Epp, Peter C. Erb, Tassilo Erhardt, Maria Erling, Noel Leo Erskine, Gillian R. Evans, Virginia Fabella, Michael A. Fahey, Edward Farley, Margaret A. Farley, Wendy Farley, Robert Fastiggi, Seena Fazel, Duncan S. Ferguson, Helwar Figueroa, Paul Corby Finney, Kyriaki Karidoyanes FitzGerald, Thomas E. FitzGerald, John R. Fitzmier, Marie Therese Flanagan, Sabina Flanagan, Claude Flipo, Ronald B. Flowers, Carole Fontaine, David Ford, Mary Ford, Stephanie A. Ford, Jim Forest, William Franke, Robert M. Franklin, Ruth Franzén, Edward H. Friedman, Samuel Frouisou, Lorelei F. Fuchs, Jojo M. Fung, Inger Furseth, Richard R. Gaillardetz, Brandon Gallaher, China Galland, Mark Galli, Ismael García, Tharscisse Gatwa, Jean-Marie Gaudeul, Luis María Gavilanes del Castillo, Pavel L. Gavrilyuk, Volney P. Gay, Metropolitan Athanasios Geevargis, Kondothra M. George, Mary Gerhart, Simon Gikandi, Maurice Gilbert, Michael J. Gillgannon, Verónica Giménez Beliveau, Terryl Givens, Beth Glazier-McDonald, Philip Gleason, Menghun Goh, Brian Golding, Bishop Hilario M. Gomez, Michelle A. Gonzalez, Donald K. Gorrell, Roy Gottfried, Tamara Grdzelidze, Joel B. Green, Niels Henrik Gregersen, Cristina Grenholm, Herbert Griffiths, Eric W. Gritsch, Erich S. Gruen, Christoffer H. Grundmann, Paul H. Gundani, Jon P. Gunnemann, Petre Guran, Vidar L. Haanes, Jeremiah M. Hackett, Getatchew Haile, Douglas John Hall, Nicholas Hammond, Daphne Hampson, Jehu J. Hanciles, Barry Hankins, Jennifer Haraguchi, Stanley S. Harakas, Anthony John Harding, Conrad L. Harkins, J. William Harmless, Marjory Harper, Amir Harrak, Joel F. Harrington, Mark W. Harris, Susan Ashbrook Harvey, Van A. Harvey, R. Chris Hassel, Jione Havea, Daniel Hawk, Diana L. Hayes, Leslie Hayes, Priscilla Hayner, S. Mark Heim, Simo Heininen, Richard P. Heitzenrater, Eila Helander, David Hempton, Scott H. Hendrix, Jan-Olav Henriksen, Gina Hens-Piazza, Carter Heyward, Nicholas J. Higham, David Hilliard, Norman A. Hjelm, Peter C. Hodgson, Arthur Holder, M. Jan Holton, Dwight N. Hopkins, Ronnie Po-chia Hsia, Po-Ho Huang, James Hudnut-Beumler, Jennifer S. Hughes, Leonard M. Hummel, Mary E. Hunt, Laennec Hurbon, Mark Hutchinson, Susan E. Hylen, Mary Beth Ingham, H. Larry Ingle, Dale T. Irvin, Jon Isaak, Paul John Isaak, Ada María Isasi-Díaz, Hans Raun Iversen, Margaret C. Jacob, Arthur James, Maria Jansdotter-Samuelsson, David Jasper, Werner G. Jeanrond, Renée Jeffery, David Lyle Jeffrey, Theodore W. Jennings, David H. Jensen, Robin Margaret Jensen, David Jobling, Dale A. Johnson, Elizabeth A. Johnson, Maxwell E. Johnson, Sarah Johnson, Mark D. Johnston, F. Stanley Jones, James William Jones, John R. Jones, Alissa Jones Nelson, Inge Jonsson, Jan Joosten, Elizabeth Judd, Mulambya Peggy Kabonde, Robert Kaggwa, Sylvester Kahakwa, Isaac Kalimi, Ogbu U. Kalu, Eunice Kamaara, Wayne C. Kannaday, Musimbi Kanyoro, Veli-Matti Kärkkäinen, Frank Kaufmann, Léon Nguapitshi Kayongo, Richard Kearney, Alice A. Keefe, Ralph Keen, Catherine Keller, Anthony J. Kelly, Karen Kennelly, Kathi Lynn Kern, Fergus Kerr, Edward Kessler, George Kilcourse, Heup Young Kim, Kim Sung-Hae, Kim Yong-Bock, Kim Yung Suk, Richard King, Thomas M. King, Robert M. Kingdon, Ross Kinsler, Hans G. Kippenberg, Cheryl A. Kirk-Duggan, Clifton Kirkpatrick, Leonid Kishkovsky, Nadieszda Kizenko, Jeffrey Klaiber, Hans-Josef Klauck, Sidney Knight, Samuel Kobia, Robert Kolb, Karla Ann Koll, Heikki Kotila, Donald Kraybill, Philip D. W. Krey, Yves Krumenacker, Jeffrey Kah-Jin Kuan, Simanga R. Kumalo, Peter Kuzmic, Simon Shui-Man Kwan, Kwok Pui-lan, André LaCocque, Stephen E. Lahey, John Tsz Pang Lai, Emiel Lamberts, Armando Lampe, Craig Lampe, Beverly J. Lanzetta, Eve LaPlante, Lizette Larson-Miller, Ariel Bybee Laughton, Leonard Lawlor, Bentley Layton, Robin A. Leaver, Karen Lebacqz, Archie Chi Chung Lee, Marilyn J. Legge, Hervé LeGrand, D. L. LeMahieu, Raymond Lemieux, Bill J. Leonard, Ellen M. Leonard, Outi Leppä, Jean Lesaulnier, Nantawan Boonprasat Lewis, Henrietta Leyser, Alexei Lidov, Bernard Lightman, Paul Chang-Ha Lim, Carter Lindberg, Mark R. Lindsay, James R. Linville, James C. Livingston, Ann Loades, David Loades, Jean-Claude Loba-Mkole, Lo Lung Kwong, Wati Longchar, Eleazar López, David W. Lotz, Andrew Louth, Robin W. Lovin, William Luis, Frank D. Macchia, Diarmaid N. J. MacCulloch, Kirk R. MacGregor, Marjory A. MacLean, Donald MacLeod, Tomas S. Maddela, Inge Mager, Laurenti Magesa, David G. Maillu, Fortunato Mallimaci, Philip Mamalakis, Kä Mana, Ukachukwu Chris Manus, Herbert Robinson Marbury, Reuel Norman Marigza, Jacqueline Mariña, Antti Marjanen, Luiz C. L. Marques, Madipoane Masenya (ngwan'a Mphahlele), Caleb J. D. Maskell, Steve Mason, Thomas Massaro, Fernando Matamoros Ponce, András Máté-Tóth, Odair Pedroso Mateus, Dinis Matsolo, Fumitaka Matsuoka, John D'Arcy May, Yelena Mazour-Matusevich, Theodore Mbazumutima, John S. McClure, Christian McConnell, Lee Martin McDonald, Gary B. McGee, Thomas McGowan, Alister E. McGrath, Richard J. McGregor, John A. McGuckin, Maud Burnett McInerney, Elsie Anne McKee, Mary B. McKinley, James F. McMillan, Ernan McMullin, Kathleen E. McVey, M. 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Deliberative Politics in Action
- Analyzing Parliamentary Discourse
- Jürg Steiner, André Bächtiger, Markus Spörndli, Marco R. Steenbergen
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- 22 September 2009
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- 13 January 2005
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'Deliberative politics' refers to the role of conversation and arguments in politics. Until recently discussion of deliberative politics took place almost exclusively among political philosophers, but many questions raised in this philosophical discussion cry out for empirical investigation. This book provides the first extended empirical study of deliberative politics, addressing, in particular, questions of the preconditions and consequences of high level deliberation. Using parliamentary debates in Germany, Switzerland, the United Kingdom and the United States as an empirical base, the authors measure the level of deliberation by constructing a 'Discourse Quality Index'. As deliberative politics moves to the forefront of political theory, this book makes an important contribution to deliberative democracy.
3 - Measuring deliberation: a Discourse Quality Index
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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Summary
As we have seen in chapter 2, up to now the scholarly debate on the deliberative model has mainly taken place at a philosophical level. But we have also seen that there are important voices asking that the philosophical debate on deliberation should be supplemented with empirical investigations of real-life deliberations. In the present chapter, we take up this challenge.
Empirical studies on deliberation
There are already some studies in this direction. Some of them limit themselves to the formulation of hypotheses without testing them. Lascher (1996: 501) acknowledges explicitly in the title of his study that his is only a “Preface to Empirical Analysis.” With the focus on legislatures, he offers some indicators of how the quality of deliberation might be measured: for example, “whether arguments are framed in terms of some conception of the public good,” or whether “participants are able to critique each other's arguments and respond to such criticism.” Lascher then looks at factors promoting deliberation, hypothesizing, for example, that “legislative decisions will better meet deliberative standards when an issue is salient to constituents,” or “when there is greater uncertainty about the effects of different policy alternatives.” Lascher also presents hypotheses about possible consequences of deliberation: for example, “deliberation increases the legitimacy of legislators' decisions,” or “deliberation has cognitive benefits for participants, such as reducing erroneous judgments related to the policy issue in question.” Alluding to later empirical tests of his hypotheses, Lascher warns that “the required work will not be easy.”
1 - Institutions and behavior: the example of consociational theory
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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- 22 September 2009
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In its intellectual history, this book evolved from an interest in consociational theory and an increasing dissatisfaction with the integration of the behavior aspect into the theory. As consociational theory moved from studies of single countries like the Netherlands, Belgium, Switzerland, and Austria to the analysis of a large number of countries all over the world, the emphasis shifted increasingly to the institutional aspect. How political actors interact and speak with each other in consociational institutions was more and more neglected. In this opening chapter we use consociational theory as an illustration to show how the culture of how politicians interact and speak with each other is an important element that must be integrated into any institutional theory. Our basic argument is that speech is not cheap but may very well matter in many important theoretical ways (Noel 1990).
While we illustrate this argument for consociational theory, it also applies to other institutional theories. As we discuss in greater detail in chapter 4, much institutional research to date draws on two intellectual traditions. On the one hand, rational choice theories typically focus on a logic of consequentialism, which assumes that political actors seek the most efficient means to desired ends (Risse 2000). Institutional rules and structures are formulated to aid in this process. On the other hand, sociological theories frequently postulate a logic of appropriateness. In this view, institutions create behavioral norms that guide the actions of politicians (Risse 2000).
Conclusion and research outlook
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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- 22 September 2009
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- 13 January 2005, pp 165-169
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To our knowledge, ours is the first attempt to submit a measure of the level of deliberation to reliability tests. Since these tests proved to be successful, we were able to establish systematic variation in the discourse quality. Successful reliability tests, of course, do not automatically mean that the measure is valid. Does our Discourse Quality Index (DQI) really tap into the philosophical concept of deliberation? The answer would have been negative if we had been unable to explain the variation in the discourse quality in its preconditions and consequences in a theoretically meaningful way. As chapters 5 and 6 demonstrate, however, variables linked to the deliberative literature helped us to explain it to a large extent. The validity of a measure is always most difficult to prove in a final way, and we do not claim that we are absolutely sure that our DQI measures what philosophers understand by deliberation, but we are at least encouraged that we are on the right path.
Our results show that discourse quality is not a uni-dimensional phenomenon but a complex cluster of elements. If actors justify their arguments in the sense of the deliberative model in a sophisticated way, this does not always mean, for example, that they show respect for the arguments of other actors, another aspect of the deliberative model. This meant for our empirical analyses that quite often we had to break down the DQI into its individual elements.
5 - Antecedents of deliberation: institutions and issues
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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- 22 September 2009
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- 13 January 2005, pp 98-137
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The preceding chapters laid out the theoretical framework for our study. It is now time to engage in an empirical analysis of political discourse as it can be found in the real world. We start by considering the institutional antecedents of discourse quality. Under what institutional arrangements does discourse in legislatures flourish? Which aspects of discourse are affected by those institutional arrangements? And how do issue attributes affect those aspects? These are the central questions of this chapter.
In this chapter, we test the first six hypotheses that were laid out in chapter 4 (the remaining hypotheses are tested in the next chapter). Thus discourse quality is correlated with five different institutional characteristic and one issue characteristic. The institutional characteristics, again, are: (1) consensus versus competitive democracy, (2) the influence of veto points and veto players, (3) presidential versus parliamentary systems, (4) second versus first chambers of the legislature, and (5) public versus non-public arenas. The issue characteristic is the extent to which prior positions on an issue are polarized. As we argued in the previous chapter, these institutional and issue characteristics provide a great deal of leverage on understanding the antecedents of discourse quality, and hence we expect them to give good insight into the conditions under which legislative discourse flourishes.
Our empirical analysis takes us to a variety of debates from four legislative settings: Germany, Switzerland, the United Kingdom, and the United States. These countries were selected because they provide variance on key institutional factors.
Introduction: The research questions
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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- 22 September 2009
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This book is about deliberation in parliamentary institutions. It presents data on the institutional antecedents as well as the consequences of legislative deliberation in four countries: Germany, Switzerland, the United Kingdom, and the United States. Our goal is to connect the literature on deliberation, which has developed almost exclusively within the field of political philosophy, to a theoretical and empirical understanding of political institutions. Our main argument will be that talk matters: the nature of speech acts inside legislatures is a function of institutional rules and mechanisms, and bears an influence on political outcomes that transcends those rules and mechanisms. Our main vehicle of analysis is a Discourse Quality Index (DQI), which measures the quality of deliberation.
To give a feeling for the empirical data to be presented in the main body of the book, we open with two illustrations, one of a high quality of deliberation and one of a low quality of deliberation. The former example comes from a debate in the Swiss Council of States on amending the constitution with a language article. In the committee stage German-speaking René Rhinow made the proposal to establish in the amendment the abstract principle of freedom of language. He withdrew his proposal in the plenary session in deference to the opposition of many French speakers, referring to the importance of peaceful relations among the language groups.
Acknowledgments
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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Index
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- 13 January 2005, pp 194-199
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References
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- 13 January 2005, pp 180-193
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4 - Understanding the real world of deliberation: hypotheses about antecedents and consequences
- Jürg Steiner, University of North Carolina, Chapel Hill, André Bächtiger, European University Institute, Florence, Markus Spörndli, Universität Bern, Switzerland, Marco R. Steenbergen, University of North Carolina, Chapel Hill
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- Deliberative Politics in Action
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- 22 September 2009
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- 13 January 2005, pp 74-97
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Deliberation in a Habermasian sense is an ideal type. As we discussed in chapter 3, the real world of political discourse may well fall short of this ideal. Thus, we think of discourse quality as a continuum, ranging from low levels at one extreme to the Habermasian ideal on the other. Political actors, both individuals and institutions, are located somewhere along this continuum. Our DQI seeks to measure this location. However, establishing the location of an actor on the deliberative continuum is only the first step. We would also want to know why the actor is located where s/he is and what the implications of this location are for political outcomes. This chapter is concerned with those questions. Our starting point is that the quality of discourse is not randomly determined. Rather, we believe that it is contingent on institutions, as well as the nature of the issue that is being deliberated on. These factors do not predetermine the level of discourse, but they explain meaningful variations in deliberation. This variation, in turn, has implications for political outcomes. That is to say that discourse quality influences outcomes over and beyond institutional rules.
A theoretical framework
To understand both the preconditions and consequences of deliberation, we first need to understand how it is situated in the field of social action. By comparing deliberation to other modes of political action we can see how it is different. Risse (2000) has laid much of the groundwork for this type of analysis.
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