BackgroundThe evolution of the female orgasm in humans and its role in romantic relationships is poorly understood. Whereas the male orgasm is inherently linked to reproduction, the female orgasm is not linked to obvious reproductive or survival benefits. It also occurs less consistently during penetrative sex than does the male orgasm. Mate-choice hypotheses posit that the wide variation in female orgasm frequency reflects a discriminatory mechanism designed to select high-quality mates.ObjectiveWe aimed to determine whether women report that their orgasm frequency (...) varies between partners, whether this variation reflects mates' personal characteristics, and whether this variation reflects own and partner sexual behaviour during intercourse.DesignWe collected survey data from 103 women who rated the extent to which their orgasm frequency varied between partners, the characteristics of previous sexual partners who induced high-orgasm frequency and those who induced low-orgasm frequency,... (shrink)

The Cambridge Handbook of the Psychology of Prejudice: Concise Student Edition aims to answer the questions: why is prejudice so persistent? How does it affect people exposed to it? And what can we do about it? With cutting-edge research from top scholars in the field, the chapters present an overview of psychological models of prejudice and investigate key domains such as racism, sexism, and the criminal justice system. This student edition of the award-winning Handbook includes new pedagogical features such as (...) learning objectives, core terms and definitions, summary points, discussion questions, recommended readings, and instructor's test bank. It also features a new conclusion chapter that analyzes eight hard problems currently faced by researchers and activists, thus engaging students in deep, forward-thinking discussion. Developed specifically for use in Psychology of Prejudice courses at the undergraduate and graduate levels, the Concise Student Edition is an essential teaching and learning resource. (shrink)