Descriptor
| Aggression | 1 |
| Behavior Patterns | 1 |
| Children | 1 |
| Family Influence | 1 |
| Heredity | 1 |
| Individual Differences | 1 |
| Nature Nurture Controversy | 1 |
| Twins | 1 |
Source
| Journal of Research in… | 1 |
Author
| Plomin, Robert | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedPlomin, Robert; And Others – Journal of Research in Personality, 1981
Twin children were videotaped hitting an inflated clown figure. Three behaviors (number of hits, intensity of hits, and number of quadrants hit) showed adequate response characteristics, rater reliability, and test-retest reliability. Twin analyses of the three behavioral ratings yielded no evidence of hereditary influence. (Author)
Descriptors: Aggression, Behavior Patterns, Children, Family Influence
