Descriptor
| Behavior Development | 2 |
| Individual Differences | 2 |
| Behavior Problems | 1 |
| Classroom Observation… | 1 |
| Correlation | 1 |
| Hyperactivity | 1 |
| Intelligence | 1 |
| Methods | 1 |
| Perinatal Influences | 1 |
| Preschool Education | 1 |
| Sex Differences | 1 |
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Source
| Journal of Genetic Psychology | 2 |
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Peer reviewedVan Den Daele, Leland D. – Journal of Genetic Psychology, 1974
The natal influences, and the inter- and intrapair intellectual differences of 16 sets of identical twins were evaluated in a retrospective study. (DP)
Descriptors: Behavior Development, Correlation, Individual Differences, Intelligence
Sex Differences in the Activity Level of Preschool Children as a Possible Precursor of Hyperactivity
Peer reviewedGoggin, James E. – Journal of Genetic Psychology, 1975
The activity level of preschool boys relative to preschool girls was observed to find whether a sex-linked pattern of hyperactivity is observable in the general population. Boys were found to be more active than girls, with patterns similar to those included in definitions of hyperactivity. (GO)
Descriptors: Behavior Development, Behavior Problems, Classroom Observation Techniques, Hyperactivity
