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The validity of laboratory play measures of aggression has been called into question. Critics have charged that laboratory findings on childhood aggression cannot be generalized to everyday aggression. In the present study, the validity of striking a Bobo clown as a measure of aggression was assessed by correlating the rate of this behavior with peer ratings, teaching ratings, and self-ratings of aggressiveness in a preschool. Laboratory aggression correlated significantly with both peer ratings, r = .76, p less than .01, and teacher ratings, r = .57, p less than .05, but not with self-ratings, r = .36. Laboratory aggression correlated more highly with aggression ratings for males (N = 9) than for females (N = 9), but not significantly so. The findings support the use of laboratory play as a valid measure of aggression in children.
A Johnston, and
D DeLuca, and
K Murtaugh, and
E Deiner
September 2009,
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A Johnston, and
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E Deiner
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A Johnston, and
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