This book discusses a newly developed concept of adaptability capacity and development as an extension of Charles Darwin......more

This new edition provides a step-by-step guide to applying the Rasch model in R, a probabilistic model used by researche......more

This new edition provides a step-by-step guide to applying the Rasch model in R, a probabilistic model used by researche......more

This is the second edition of an introductory text that describes the principles of invariant measurement; how invariant......more

A deeply moving and revealing chronicle of the challenges and breakthroughs that come from a wholly new practice of one-......more

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This book is designed for students taking basic and advanced courses in statistics, taking an integrative and practical ......more

This book covers the following subjects: growth curve modeling, directional dependence, dyadic data modeling, item respo......more