Given the centrality of prosociality in everyday social functioning, understanding the factors and mechanisms underlying the origins of prosocial development is of critical importance. This experiment investigated whether experience with reciprocal object exchanges can drive the developmental onset of sharing behavior. Seven-month-old infants took…

The purpose of this study is to describe what data preschools in a mid-sized city in the Northeast collect, how they use that data, and the challenges they face. The study focuses on three types of data: early learning outcomes, dosage (i.e., the amount of exposure to early childhood education), and classroom quality. The report further…

A study of 41 toddlers (ages 18-25 months) with hearing impairments and their hearing mothers and 54 typical toddlers and their hearing mothers, investigated whether the development of a normal mother-child relationship is disrupted by the inability of the child to understand his/her mother's normal means of communication. The study also explored…