Both the amount and the quality of children's play are associated with measures of social motivation and competence, in particular with peers  — .
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Loading comments… Trouble loading? No significant differences were found in the youngest or the oldest children 2—3 years: Children spent also less and less time unoccupied Uno with a significant decrease at the beginning and the end of the preschool period. Abstract Sex differences in human social behaviors and abilities have long been a question of public and scientific interest. Observation sessions were counterbalanced daily morning and afternoon and for a school term beginning and end among age groups.