This collection of works builds upon previous scholarship on biosociality and education. The timely contributions in this Special Issue are international in focus and explore the growing interface between the biosocial sciences and education. The issue begins with papers that are more applied in nature and ends on a conceptual note, leaving the…

Imitation, vocabulary, pretend play, and socially insightful behavior were investigated in 5,206 same- and opposite-sex 2-year-old twin pairs in the United Kingdom. Individual differences in imitative ability were due to modest heritability (30%), while environmental factors shared between twins (42%) and unique to each twin (28%) also made…

This article summarizes the major cognitive, behavioral, and language characteristics of the Fragile X syndrome and considers their educational implications. This common heritable cause of mental disability has implications for teaching style, curriculum, family counseling, and speech therapy. (DB)