Informative Hypotheses : Theory and Practice for Behavioral and Social Scientists book cover
1st Edition

Informative Hypotheses
Theory and Practice for Behavioral and Social Scientists

ISBN 9780367382223
Published September 23, 2019 by Chapman and Hall/CRC
241 Pages

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Book Description

When scientists formulate their theories, expectations, and hypotheses, they often use statements like: ``I expect mean A to be bigger than means B and C"; ``I expect that the relation between Y and both X1 and X2 is positive"; and ``I expect the relation between Y and X1 to be stronger than the relation between Y and X2". Stated otherwise, they formulate their expectations in terms of inequality constraints among the parameters in which they are interested, that is, they formulate Informative Hypotheses.

There is currently a sound theoretical foundation for the evaluation of informative hypotheses using Bayes factors, p-values and the generalized order restricted information criterion. Furthermore, software that is often free is available to enable researchers to evaluate the informative hypotheses using their own data. The road is open to challenge the dominance of the null hypothesis for contemporary research in behavioral, social, and other sciences.

Table of Contents

INTRODUCTION. An Introduction to Informative Hypotheses. The Multivariate Normal Linear Model. BAYESIAN EVALUATION OF INFORMATIVE HYPOTHESES. An Introduction to Bayesian Evaluation of Informative Hypotheses. The J Group ANOVA Model. Sample Size Determination: AN(C)OVA and Multiple Regression. Sample Size Determination: The Multivariate Normal Linear Model.  OTHER MODELS, OTHER APPROACHES AND SOFTWARE. Beyond the Multivariate Normal Linear Model. Other Approaches. Software. STATISTICAL FOUNDATIONS. Foundations of Bayesian Evaluation of Informative Hypotheses. References. Index.

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Since 2003, Herbert Hoijtink has been Professor of Applied Bayesian Statistics at Utrecht University. He works in the Faculty of Social Sciences where he does research, teaches and provides statistical advice to behavioral (US spelling)and social scientists. In 2005, he received the prestigious VICI grant from the Netherlands Organisation for Scientific Research. This grant enabled him to establish a research group with the purpose to develop the statistical theory and corresponding software such that behavioral and social scientists will be able to evaluate informative hypotheses. The achievements of this group are presented in this book. Further information about the author can be found at