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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
psychology
Evaluating Expectations About Negative Emotional States of Aggressive Boys Using Bayesian Model Selection
Developmental Psychology, Volume 47, No. 1, Year 2011
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Description
Researchers often have expectations about the research outcomes in regard to inequality constraints between, e.g., group means. Consider the example of researchers who investigated the effects of inducing a negative emotional state in aggressive boys. It was expected that highly aggressive boys would, on average, score higher on aggressive responses toward other peers than moderately aggressive boys, who would in turn score higher than nonaggressive boys. In most cases, null hypothesis testing is used to evaluate such hypotheses. We show, however, that hypotheses formulated using inequality constraints between the group means are generally not evaluated properly. The wrong hypotheses are tested, i.e. the null hypothesis that group means are equal. In this article, we propose an innovative solution to these above-mentioned issues using Bayesian model selection, which we illustrate using a case study. © 2011 American Psychological Association.
Authors & Co-Authors
van de Schoot, Rens A.G.J.
Netherlands, Utrecht
Universiteit Utrecht
Hoijtink, Herbert J.A.
Netherlands, Utrecht
Universiteit Utrecht
Mulder, Joris
Netherlands, Utrecht
Universiteit Utrecht
van Aken, Marcel A.G.
Netherlands, Utrecht
Universiteit Utrecht
De Castro, Bram Orobio
Netherlands, Utrecht
Universiteit Utrecht
Meeus, Wim H.J.
Netherlands, Utrecht
Universiteit Utrecht
Romeijn, Jan Willem
Netherlands, Groningen
Rijksuniversiteit Groningen
Statistics
Citations: 35
Authors: 7
Affiliations: 2
Identifiers
Doi:
10.1037/a0020957
ISSN:
00121649
Study Design
Case Study
Study Approach
Qualitative
Participants Gender
Male