In the United States, racial-ethnic differences on tests of school readiness and academic achievement continue. A complete understanding of the origins of racial-ethnic achievement gaps is still lacking. This article describes social equity theory (SET), which proposes that racial-ethnic achievement gaps originate from two kinds of social process,…

Studies of children who initially display high rates of antisocial behavior indicate such children are more likely to persist in this behavior than those who initially show lower rates. (Author/MP)

Asserts that the sensitive-period hypothesis has not been tested on three counts: (1) no systematic studies of initial mother/infant contacts exist, (2) the majority of studies confound timing and amount of contact, and (3) failure to consider underlying mechanisms results in the omission of designs and dependent measures that could address…