In Brief: Feb. 12, 2001

SPARE THE ROD Preschool kids who receive harsh physical punishments from parents tend to display excessive aggression as schoolchildren, says a study at Lehigh University in Pennsylvania. Researchers find that these youngsters end up feeling humiliated, frustrated by their unmet needs and unworthy of care. Later they mimic their parents' model of violence to cope with social situations.

TUNING OUT Aggressive behavior can actually be "unlearned," a Stanford University study finds, if children limit their use of TV, videos and electronic games. After a six-month experiment, researchers report that children who reduced their TV time to seven hours a week and...

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