Chapman University has published research on how many sex partners people have relative to their height and body mass. The study focused on 60,058 heterosexual men and women asking each to indicate their height, weight, and how many sex partners they have had. The median number of “sex partners” reported for both men and women […]

Chapman University has published research on what people find “desirable” and “essential” in a long-term partner based on two of the largest national studies of mate preferences ever conducted. This research supports the long-held belief that people with desirable traits have a stronger “bargaining hand” and can be more selective when choosing romantic […]