This bestselling text presents research about gender and helps students think critically about the differences between research findings and gender stereotypes. It examines the biology and social context in which women and men express gendered behaviors. Defining gender as the behaviors and attitudes that relate to (but are not entirely congruent with) biological sex, the book focuses on research and scholarship to provide the material for a critical review and an overall picture of gender from a psychological perspective. To highlight how research findings can relate to people's lives, the book supplements the review of scholarly research with personal, narrative accounts of gender-relevant aspects of people's lives. To emphasize the cross-cultural perspective of gender, the book including a section on diversity in most chapters but also weaves diversity issues throughout the text. The personal narrative and diversity highlights help to balance the research-based scholarship with the personal experience of gender.