Development of an instrument to measure premature infant behavior and caretaker activities: time-sampling methodology.
D002652:Child Behavior; D002657:Child Development; D006801:Humans; D007185:Incubators; D007224:Infant Care; D007231:Infant, Newborn; D007234:Infant, Premature; D008722:Methods; D010371:Pediatric Nursing; D013647:Task Performance and Analysis; D013997:Time Factors