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Morgan, George A.; Yang, Raymond K.; Griego, Orlando V. – 1998
A multimethod, multitrait approach was used to examine the relations of aggression and hyperactivity to mastery motivation in preschool children. Parallel measures of multiple facets of mastery motivation were devised from findings in two studies: (study 1) a maternal report questionnaire for 332 twins, ages 3-5, recruited from the twin registry…
Descriptors: Aggression, Attention Deficit Disorders, Child Behavior, Construct Validity