Measurement of infant difficultness

Child Dev. 1979 Sep;50(3):794-803.


The Infant Characteristics Questionnaire (ICQ) was developed as a short, factor-analytic screening device for difficultness. Responses of 322 mothers of 4-6-month-old infants suggested that they regard the fussy, hard-to-soothe, labile infant as difficult. Mother report on the ICQ, particularly on the main fussy-difficult factor was found to have adequate reliability over time and convergence with the Carey Survey of Temperamental Characteristics, with father report on the ICQ, and, to a lower degree, with home data collected by independent observers. It was also found that mother characteristics may affect perceptions of infant difficultness: multiparous, extraverted mothers tended to rate their infants as easy.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Child Behavior Disorders / diagnosis*
  • Child Behavior Disorders / psychology
  • Child Development
  • Crying
  • Female
  • Humans
  • Infant
  • Male
  • Maternal Behavior
  • Mother-Child Relations
  • Social Behavior