Women's capacity for sexual fluidity is at least as interesting a phenomenon from the point of
view of evolutionary biology and behavioral endocrinology as exclusively homosexual …

This article attends to recent discussions of validity in psychometric research on human life
history strategy (LHS), provides a constructive critique of the extant literature, and describes …

Many developmental theories have not been sufficiently evaluated using designs that
control for unobserved familial confounds. Our long-term goal is to determine the causal …

Many published studies have employed the Mini-K to measure a single fast–slow life history
dimension. However, the internal structure of the Mini-K has not been determined and it is …

Individual differences are essential to the process of evolution by natural selection. Natural
selection is the only known process capable of creating and maintaining adaptations. The …

Background Life history theory provides a unifying perspective on understanding human
behaviors as adaptive strategies in response to particular environmental conditions. There is …

Female sexual orientation and its various species-wide and species-specific manifestations
comprise a topic to which one scientific article can hardly do justice. We have nevertheless …

Recent research suggests human life history strategy (LHS) may be subsumed by multiple
dimensions, including mating competition and Super-K, rather than one. In this study, we test …

In this article we attend to recent critiques of psychometric applications of life history (LH)
theory to variance among humans and develop theory to advance the study of latent LH …

Recovery has emerged as an important paradigm in addictions treatment but the field has
yet to achieve consensus on how it should be defined and measured. The recovery …