Forty Studies that Changed Psychology, Global Edition

For courses in introductory psychology.

Explore psychology through its most influential studies

Forty Studies that Changed Psychology, first published 25 years ago, remains one of the field’s most comprehensive introductory texts. In exploring the most commonly cited studies, Forty Studies guides students through both the history of psychology and the diverse disciplines that comprise the field. By covering the context, hypothesis, summary, and other aspects of these studies that have so heavily influenced psychology, the text fills the gap between major research and the textbooks they engender. The 8th Edition has been updated to include more than 30 new, modern studies that cite one or more of the influential studies.

About our authors

Roger R. Hock received his PhD from the University of California at San Diego and is currently the Director of the Psychology Program at Mendocino College in northern California. He is the author of several well-known books including 2 textbooks, Human Sexuality and 40 Studies that Changed Psychology: Explorations into the History of Psychological Research. He is coauthor (with Meg Kennedy Dugan) of It's My Life Now: Starting over after an Abusive Relationship or Domestic Violence. He brings over 20 years of teaching experience to the project.

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