Effects of the ethnicity of observers on Chicano mothers and sons were evaluated using four female observers, two Anglos and two Chicanas. Verbal interaction, child prosocial and undesirable behaviors, and use of Spanish were recorded in the homes of ten Chicano mother-son pairs. Effects of observer ethnicity were negligible. (Author/NQ)

Studied multigenerational links between maternal history of problem behavior, mother's age at birth of first child, and child conduct disorder in boys. Found that maternal age at first birth was associated with child's conduct disorder, and maternal history of problem behavior was also associated with early maternal age at first birth and the…