Two experiments to study the development of the meaning of laughter in children are reported. A pilot study presented recorded audio tapes with both humorous and nonhumorous episodes, some with accompanying canned laughter, to 24 boys between the ages of 4 and 6 years. Observers recorded durations of laughter and smiling. Results showed that both…

Research conducted in the United States has found that people exert more effort when they perform a task individually than when they do so in a group. This phenomenon has been labeled social loafing. To examine the transcultural generality of social loafing, 20 male and 20 female Chinese school children in Taiwan were selected from grades 2, 3, 6,…

This study describes the civic and political behavior of the American public, with a special focus on youth ages 15 to 25. Using an extensive national telephone survey of 3,246 respondents, the authors describe what citizens are doing, and how often they are doing it. They look at a panorama of 19 core activities--ranging from voting to…