Genetic factors in activity motivation.
D000374:Aggression; D001007:Anxiety; D001143:Arousal; D002648:Child; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D009042:Motivation; D011247:Pregnancy; D011581:Psychological Tests; D011930:Reaction Time; D013223:Statistics as Topic; D014427:Twins