Congress Speakers

STATE OF THE ART LECTURES


Julian Barling

Julian Barling

Focus of Lecture: Leader's mental health at work

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Sponsoring Division: Industrial/Organizational/Work

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Anna Brown

Anna Brown

Focus of Lecture: Solving the problems of ipsative data: The common framework for proper scaling of comparative response formats

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Sponsoring Division: Psychological Assessment and Evaluation

Abstract
To avoid rating biases in personality and similar questionnaires, researchers may use preference response formats. These include the popular forced choice, where respondents rank a number of items, and more complex Q-sorts, where ranking with ties is obtained. Researchers may also collect the extent to which items are preferred to each other, for example by rating items as the “proportion-of-total” (compositional format). Preferences collected with such formats are relative within the person, leading to major psychometric challenges – interpersonally incomparable (ipsative) data. Since measurement of individual differences requires absolute position on the traits of interest, new treatment of ipsative data is required.

The talk will present the Thurstonian scaling approach, which enables proper measurement of individual differences from all types of ipsative data. I will start with the Thurstonian IRT model for forced-choice questionnaires, and extend this IRT model to graded preferences. I will then show how the “proportion-of-total” data can be easily treated in the same Confirmatory Factor Analysis (CFA) framework with continuous outcomes. This unified approach will be demonstrated with empirical data analysis examples, including well-known personality questionnaires. I will conclude with a discussion of best practice in ipsative measurement, including suggestions of good questionnaire designs and considerations for minimizing response biases.

Affiliation: Senior Lecturer in Psychological Methods and Statistics & Chair of Ethics, School of Psychology, University of Kent
Elected Member of the Council of the International Test Commission

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Rolando Diaz-Loving

Rolando Diaz-Loving

Focus of Lecture: Díaz-Guerrero´s contributions to the internationalization of psychology

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Tom Dietz

Tom Dietz

Focus of Lecture: Key Challenges to Understanding Environmental Decision Making.

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Sponsoring Division: Environmental

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Martin S. Hagger

Martin S. Hagger

Focus of Lecture: Developing a system for describing relationships among constructs in theories applied to health behaviour: An approach based on process diagrams

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Sponsoring Division: Sport and Exercise

Abstract: A multitude of social psychological theories have been applied to predict and understand health behavior. The sheer number of available theories presents a considerable challenge to researchers seeking to identify commonality and redundancy in the constructs and processes that determine health behavior. Just as problems of constructs with similar content named differently or different constructs using the same names hinders theoretical progress (c.f., Block’s (1995) ‘jingle’ and ‘jangle’ fallacies), theory development is similarly impeded by problems in operationalizing how constructs relate to each other within theories (e.g., mediating and moderating relations). One proposed solution is to systematize terminology and descriptions of how constructs relate to each other in theories. A system will provide a common means to operationalize the processes by which theory constructs relate to relevant outcomes (e.g., health intentions and behavior) in the health domain. I propose that such a system already exists in the diagrammatic forms offered in confirmatory analytic techniques of path analysis and structural equation modeling (c.f., Hayes, 2013). Application of such a system to describe relations among theory constructs not only provides a common means to operationalize health behavior theories, but also unifies theory with means to analyse data collected to test the theory.

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John Curtin Distinguished Professor, Curtin University
Finland Distinguished Professor (FiDiPro), University of Jyväskylä, Jyväskylä, Finland
Editor, Health Psychology Review
Co-Editor, Stress and Health

Health Psychology & Behavioural Medicine Research Group &
Laboratory of Self-Regulation (LaSeR)
School of Psychology and Speech Pathology
Faculty of Health Sciences
Curtin University, Perth, Australia


Shelley Hymel

Shelley Hymel

Focus of Lecture: Bullying and Peer Victimization in Children and Youth

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Sponsoring Division: Education, School and Instruction

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Michael Jones

Michael Jones

Focus of Lecture: Advancing Psychological Theory by Mining Big Data

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Scott Lilienfeld

Scott Lilienfeld

Focus of Lecture: TBC

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Aleksandra Luszczynska

Aleksandra Luszczynska

Focus of Lecture: Good practices in development, implementation, and evaluation of health behavior change programs

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Sponsoring Division: Health Psychology

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John Meyer

John Meyer

Focus of Lecture: Commitment at Work: Looking Back and Moving Forward

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Sponsoring Division: Industrial/Organizational/Work

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Dr. John Meyer received his Ph.D. from The University of Western Ontario in 1978 and is currently a professor and chair of the graduate program in industrial and organizational (I/O) psychology at Western. He also holds a part-time Professorship at Curtin School of Business in Australia and an adjunct appointment at the Australian Catholic University. His research interests include employee commitment, work motivation, leadership, and organizational change, and his work has been published in leading journals in I/O psychology and management. He is also co-author of Commitment in the Workplace: Theory, Research and Application (Sage Publications, 1997) and Best Practices: Employee Retention (Carswell, 2000), co-editor of Commitment in Organizations: Accumulated Wisdom and New Directions (Routledge, 2009) and editor of the Handbook of Employee Commitment (Elgar, 2016). Dr. Meyer is a Fellow of the Canadian Psychological Association, the American Psychological Association, the Society for Industrial and Organizational Psychology, the International Association of Applied Psychology, and the Association for Psychological Science.

Affiliation: Department of Psychology, Western University, London, Ontario, Canada


Stephen Reicher

Stephen Reicher

Focus of Lecture: Understanding toxic leadership

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Sponsoring Division: Psychology and Societal Development

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Jesus Sanz

Jesus Sanz

Focus of Lecture: Mental health consequences of terrorist attacks

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Sponsoring Division: Clinical; Community

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Moshe Szyf

Moshe Szyf

Focus of Lecture: Epigenetic processes mediating between environments, experiences and mental health; therapeutic and diagnostic implications

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Rama Charan Tripathi

Rama Charan Tripathi

Focus of Lecture: Un-Othering the Other: Role of Shared Cultural Spaces and Social Norms

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Jennifer Veitch

Jennifer Veitch

Focus of Lecture: Workplace Design can Help Employee Well-being, Improve Organizational Productivity, and Solve Environmental Problems

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Sponsoring Division: Environmental

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