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Recreating the OSIRIS-REx slingshot manoeuvre from a network of ground-based sensors
- Trent Jansen-Sturgeon, Benjamin A. D. Hartig, Gregory J. Madsen, Philip A. Bland, Eleanor K. Sansom, Hadrien A. R. Devillepoix, Robert M. Howie, Martin Cupák, Martin C. Towner, Morgan A. Cox, Nicole D. Nevill, Zacchary N. P. Hoskins, Geoffrey P. Bonning, Josh Calcino, Jake T. Clark, Bryce M. Henson, Andrew Langendam, Samuel J. Matthews, Terence P. McClafferty, Jennifer T. Mitchell, Craig J. O’Neill, Luke T. Smith, Alastair W. Tait
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- Publications of the Astronomical Society of Australia / Volume 37 / 2020
- Published online by Cambridge University Press:
- 27 November 2020, e049
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Optical tracking systems typically trade off between astrometric precision and field of view. In this work, we showcase a networked approach to optical tracking using very wide field-of-view imagers that have relatively low astrometric precision on the scheduled OSIRIS-REx slingshot manoeuvre around Earth on 22 Sep 2017. As part of a trajectory designed to get OSIRIS-REx to NEO 101955 Bennu, this flyby event was viewed from 13 remote sensors spread across Australia and New Zealand to promote triangulatable observations. Each observatory in this portable network was constructed to be as lightweight and portable as possible, with hardware based off the successful design of the Desert Fireball Network. Over a 4-h collection window, we gathered 15 439 images of the night sky in the predicted direction of the OSIRIS-REx spacecraft. Using a specially developed streak detection and orbit determination data pipeline, we detected 2 090 line-of-sight observations. Our fitted orbit was determined to be within about 10 km of orbital telemetry along the observed 109 262 km length of OSIRIS-REx trajectory, and thus demonstrating the impressive capability of a networked approach to Space Surveillance and Tracking.
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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- The Cambridge Dictionary of Philosophy
- Published online:
- 05 August 2015
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- 27 April 2015, pp ix-xxx
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Contributors
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- By J. William Allwood, Eleni T. Bairaktari, Jean-Pierre Bellocq, Malika A. Benahmed, Hanne Christine Bertram, Zaver M. Bhujwalla, Ulrich Braumann, Juan Casado-Vela, Marta Cascante, Arancha Cebrián, Albert Chen, Man Ho Choi, Bong Chul Chung, Yuen-Li Chung, Morten Rahr Clausen, Patrick J. Cozzone, Ralph J. DeBerardinis, Julien Detour, Santiago Díaz-Moralli, Warwick B. Dunn, Karim Elbayed, Udo Engelke, Teresa W.-M. Fan, Ana M. Gil, Kristine Glunde, Markus Godejohann, Teresa Gómez del Pulgar, Royston Goodacre, Angelina Goudswaard, Gonçalo Graça, Richard W. Gross, Herbert H. Hill, Ralph E. Hurd, Alessio Imperiale, Kimberly A. Kaplan, Neil L. Kelleher, Michael A. Kiebish, Ann M. Knolhoff, Christina E. Kostara, Juan Carlos Lacal, Andrew N. Lane, Martin O. Leach, Norbert W. Lutz, Elizabeth Maher, Craig R. Malloy, Isaac Marin-Valencia, Laura Menchén, Bruce Mickey, Fanny Mochel, Éva Morava, François-Marie Moussallieh, Izzie J. Namer, Peter Nemes, Ioanna Ntai, Geoffrey S. Payne, Marie-France Penet, Martial Piotto, Stanislav S. Rubakhin, Elsa Sánchez-López, A. Dean Sherry, Bindesh Shrestha, Jonathan V. Sweedler, Akos Vertes, Mark R. Viant, Ralf J. M. Weber, Ron Wehrens, Ron A. Wevers, Catherine L. Winder, David S. Wishart, Kui Yang, Yi-Fen Yen
- Edited by Norbert W. Lutz, Jonathan V. Sweedler, University of Illinois, Urbana-Champaign, Ron A. Wevers
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- Methodologies for Metabolomics
- Published online:
- 05 January 2013
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- 21 January 2013, pp viii-xii
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Evidence for mummification in Bronze Age Britain
- Mike Parker Pearson, Andrew Chamberlain, Oliver Craig, Peter Marshall, Jacqui Mulville, Helen Smith, Carolyn Chenery, Matthew Collins, Gordon Cook, Geoffrey Craig, Jane Evans, Jen Hiller, Janet Montgomery, Jean-Luc Schwenninger, Gillian Taylor, Timothy Wess
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Ancient Egyptians are thought to have been the only people in the Old World who were practising mummification in the Bronze Age (c. 2200-700 BC). But now a remarkable series of finds from a remote Scottish island indicates that Ancient Britons were performing similar, if less elaborate, practices of bodily preservation. Evidence of mummification is usually limited to a narrow range of arid or frozen environments which are conducive to soft tissue preservation. Mike Parker Pearson and his team show that a combination of microstructural, contextual and AMS 14C analysis of bone allows the identification of mummification in more temperate and wetter climates where soft tissues and fabrics do not normally survive. Skeletons from Cladh Hallan on South Uist, Western Isles, Scotland were buried several hundred years after death, and the skeletons provide evidence of post mortem manipulation of body parts. Perhaps these practices were widespread in mainland Britain during the Bronze Age.
Evolution of Aspergillus niger and A. nidulans in glucose-limited chemostat cultures, as indicated by oscillations in the frequency of cycloheximide resistant and morphological mutants
- Richard J. SWIFT, Sally H. CRAIG, Marilyn G. Wiebe, Geoffrey D. ROBSON, Anthony P. J. TRINCI
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- Mycological Research / Volume 104 / Issue 3 / March 2000
- Published online by Cambridge University Press:
- 01 March 2000, pp. 333-337
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- March 2000
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Aspergillus niger and A. nidulans were grown separately in glucose-limited chemostat cultures on modified Vogel's medium. Periodic selection (the appearance of new mutant populations) in A. niger was determined by monitoring oscillations in the concentration of cycloheximide-resistant mycelial fragments in samples from the fermenter vessel. Using these data, the interval between the periodic selection of each new mutant population was 32±6 generations (mean±S.E.M.). Periodic selection in cycloheximide resistance in three morphologically distinct sub-populations of the A. niger culture averaged 36±2, 31±11 and 28±5 generations and these values were not significantly different from that of the whole population (32±6 generations). Also, it was possible to estimate the rate of evolution taking place in these cultures by monitoring oscillations in the frequency of morphological mutants. The intervals between the periodic selection of morphological mutant populations in A. niger and A. nidulans were 28±3 and 22±2 generations respectively.
Public Education for Community Care: A New Approach
- Geoffrey Wolff, Soumitra Pathare, Tom Craig, Julian Leff
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- The British Journal of Psychiatry / Volume 168 / Issue 4 / April 1996
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- 02 January 2018, pp. 441-447
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- April 1996
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Background
The findings from a controlled study of the effect of a public education campaign on community attitudes to mentally ill people are presented.
MethodA census of neighbours' attitudes toward mental illness was conducted in two areas before the opening of supported houses for the mentally ill. In one area an educational campaign was conducted The attitude survey was then repeated in both areas and patients' social contact with neighbours was recorded.
ResultsRespondents exposed to the didactic component of the campaign showed only a small increase in knowledge about mental illness but there was a lessening of fearful and rejecting attitudes in the experimental area and not in the control area Neighbours in the experimental area were more likely to make social contact with both staff and patients. It was social contact which was directly associated with improved attitudes rather than education per se. Patients in the experimental area made contact and even friendships with neighbours whereas those in the control area did not.
ConclusionsThe public education campaign did not lead to significant changes in neighbours' knowledge of mental illness. However, their attitudes improved and patients' social integration was enhanced.
Who's in the lions' den?: The community's perception of community care for the mentally ill
- Geoffrey Wolff, Soumitra Pathare, Tom Craig, Julian Left
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- Journal:
- Psychiatric Bulletin / Volume 20 / Issue 2 / February 1996
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- 02 January 2018, pp. 68-71
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- February 1996
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Most long-stay patients discharged from psychiatric hospitals under community care policy are being accommodated in suburban communities. The communities' attitudes have a major bearing on the success of this policy. A census of perceptions of psychiatric services was conducted in two areas prior to the opening of long-stay supported houses for the mentally ill. Many respondents (37%) had a negative perception of psychiatric treatment in hospital. Most (82%) had heard of community care policy but few (29%) knew about the imminent opening of supported houses for the long-term mentally HI in their own street. Most respondents (66%) were against the closure of psychiatric hospitals and many saw It as a cost cutting exorcise. The majority agreed with the idea of long-stay patients being discharged into smaller units in the community although a substantial minority (20%) thought it would have a bad effect on the local community. An overwhelming majority of respondents (91%) thought it was important for local residents to be given information about new mental health facilities in their neighbourhood. Respondents were worried that patients would not get adequate support and that they might be dangerous. If community care policy is to succeed, attention needs to be paid to the community's opinions and desire for information about local services.
Community Attitudes to Mental Illness
- Geoffrey Wolff, Soumitra Pathare, Tom Craig, Julian Leff
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- Journal:
- The British Journal of Psychiatry / Volume 168 / Issue 2 / February 1996
- Published online by Cambridge University Press:
- 02 January 2018, pp. 183-190
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- February 1996
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Background
The baseline findings from a controlled study of the effect of a public education campaign on community attitudes to mental illness are presented.
MethodA census of attitudes to mental illness was conducted in two areas, prior to the opening of supported houses for the mentally ill Factor analysis of the Community Attitudes toward the Mentally III (CAMI) inventory revealed three components: Fear and Exclusion, Social Control and Goodwill.
ResultsThe only determinant of Fear and Exclusion was having children. The main determinants of Social Control were social class, ethnic origin, age, having suffered mental illness and having children. The main determinant of Goodwill was educational level The attitude factors were predictive of respondents' behavioural intentions toward the mentally ill. Respondents with children and non-Caucasians were more likely to object to the mentally ill living in their neighbourhood.
ConclusionsAny intervention aimed at changing attitudes to mentally ill people in the community should be targeted at people with children and non-Caucasians, as these groups are more likely to object.
Community Knowledge of Mental Illness and Reaction to Mentally Ill People
- Geoffrey Wolff, Soumitra Pathare, Jom Craig, Julian Leff
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- Journal:
- The British Journal of Psychiatry / Volume 168 / Issue 2 / February 1996
- Published online by Cambridge University Press:
- 02 January 2018, pp. 191-198
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- February 1996
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Background
We test the hypothesis that negative attitudes to mentally ill people may be fuelled by a lack of knowledge.
MethodA census of knowledge of mental illness was conducted in two areas prior to the opening of long-stay supported houses for the mentally ill in each area. Three attitudinal factors (Fear and Exclusion, Social Control and Goodwill) which had been extracted by factor analysis of the Community Attitudes toward the Mentally III (CAMI) inventory (see previous paper) were analysed in respect of their associations with knowledge of mental illness.
ResultsMost respondents (80%) knew of somebody who had a mental illness but a substantial proportion of respondents had little knowledge about mental illness. Social Control showed an association with knowledge of mental illness. Groups who showed more socially controlling attitudes (especially those over 50 years old, those of lower social class, and those of non-Caucasian ethnic origin) had less knowledge about mental illness. Regression analysis revealed that when knowledge was taken into account age had no effect on Social Control, and the effect of social class and ethnic origin was diminished Respondents with children, who showed more Fear and Exclusion, were not less knowledgeable about mental illness.
ConclusionsThe results support the hypothesis that negative attitudes, especially in older people, are fuelled by a lack of knowledge. Negative attitudes among people with children are not related to a lack of knowledge.