One goal of this study was to investigate sex differences in facial expressiveness. The study used all possible combinations of males and females in the positions of "sender" and "observer" of the facial communication to determine which factor was responsible for the superior accuracy among females, as reported in a previous study. Another goal of…

The purpose of this book is to report and interpret a group of research studies relating to social-cognitive development in early childhood through adolescence. Adults interpret the covert psychological properties of other people, their abilities, knowledge, motives, attitudes, perceptions, and intentions relevant to concrete situations. An infant…