Pair bonding is a psychological construct that we attempt to operationalize via behavioral
and physiological measurements. Yet, pair bonding has been both defined differently in …

The demographic success of humans compared with other closely related species can be
attributed to the relatively rapid pace of reproduction and improved chances of survival. The …

Somewhere in Africa, more than a million years ago, a line of apes began to rear their young
differently than their Great Ape ancestors. From this new form of care came new ways of …

Where the expected reproductive life span is short, theory predicts that individuals should
follow a “fast” life-history strategy of early reproduction, reduced investment in each …

Research conducted in the last fifteen years has placed in question many of the traditional
conclusions scholars have formed about human female sexuality. Though conventional …

Women and girls cooperate with each other across many domains and at many scales.
However, much of this information is buried in the ethnographic record and has been …

We teach on Rutgers University's campus in New Brunswick, New Jersey, located in the
southern part of the New York metropolitan area. On September 11, 2001, Beth was …

Mothers face trade-offs between infant care and subsistence/economic activities. In
traditional populations, allomothers such as fathers and grandmothers support mothers with …

Many recent evolutionary psychology and human behavioral ecology studies have tested
hypotheses by examining correlations between variables measured at a group level (eg …

Evolutionary psychologists explore the adaptive function of traits and behaviors that
characterize modern Homo sapiens. However, evolutionary psychologists have yet to …