Time-sampling caretaker and infant behaviors in the first five weeks of life.
D001519:Behavior; D002657:Child Development; D003448:Crying; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007224:Infant Care; D007225:Infant Food; D007231:Infant, Newborn; D007398:Interpersonal Relations; D008297:Male; D011594:Psychometrics; D012737:Sex Factors; D013997:Time Factors