This study examined demographic and geographic differences in facial masculinity
preferences among gay and bisexual men in China. The final sample included 2595 …

There is tremendous variety in the sexual behaviors and mating strategies observable
across individuals, genders, cultures, populations, and ecologies. One critically important …

Human sexual orientation is an intriguing phenomenon, still poorly understood but with
important evolutionary implications. Evolutionary-based studies mostly focus on …

This chapter primarily covers the nonverbal expression of sexual interest in cisgender,
heterosexual individuals, from their libidinal urges to their post-sex behaviors, with a major …

Frequent consumption of sexually explicit material (SEM) on the internet may influence
attitudes toward sex (eg, sociosexuality), and sociosexuality may influence people's …

Like the majority of mammalian species, humans show sexual dimorphism: the two sexes
exhibit sex-typical morphological (morphology ¼ physical shape) and behavioral traits …

The design of experiments in psychology can often be summarized to participants reacting
to stimuli. For such an experiment, the mixed effects model with crossed random effects is …