Estimates of temperament are easy; accurate measurements take a little longer.
Carey
W B
WB
Division of General Pediatrics, Children's Hospital of Philadelphia, Pennsylvania, USA.
D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010287:Parent-Child Relations; D010290:Parents / Q000523:psychology; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D013694:Temperament / Q000502:physiology*; D013997:Time Factors