Asked 30 children aged 4 years and 30 children aged 6 years to explain what they found funny in 2 humorous pictures. Results indicated that the older children explained humor differently than the younger children and that boys recognized the humor of the visual images more easily than did girls. (MDM)

Examined effects of presentation of a peer-in-need stimulus to preschool children in real versus hypothetical contexts, with results indicating a significantly higher incidence of helping behavior in real situations. Nature of helping response as a preoperational reaction to concrete contextual cues is verified. (Author/DST)

Investigated differences in achievement of 221 kindergartners with different cognitive tempos. Results suggest that kindergartners who exhibit an impulsive cognitive tempo may be judged by teachers as being less academically and socially competent than other kindergartners. (RJC)