II. METHODS.
D002648:Child; D002652:Child Behavior / Q000523:psychology*; D015331:Cohort Studies; D005178:Faculty; D005220:Fathers / Q000523:psychology* / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D008824:Michigan; D009035:Mothers / Q000523:psychology* / Q000706:statistics & numerical data; D009146:Music; D010287:Parent-Child Relations; D010465:Perception; D011932:Reading; D012737:Sex Factors; D012945:Social Values; D013177:Sports; D011795:Surveys and Questionnaires