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The Early Infancy Temperament Questionnaire

B Medoff-Cooper1, W B Carey, S C McDevitt

  • 1University of Pennsylvania, School of Nursing, Philadelphia 19104-6096.

Journal of Developmental and Behavioral Pediatrics : JDBP
|August 1, 1993
PubMed
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The Early Infancy Temperament Questionnaire (EITQ) is a new tool for assessing infant temperament in babies aged 1-4 months. This reliable questionnaire helps researchers and clinicians understand early childhood temperament and its clinical implications.

Area of Science:

  • Developmental Psychology
  • Pediatrics
  • Child Psychiatry

Background:

  • Existing temperament assessment scales are not well-suited for infants under four months old.
  • There is a need for a reliable tool to evaluate temperament in early infancy.

Purpose of the Study:

  • To introduce and validate the Early Infancy Temperament Questionnaire (EITQ).
  • To assess the nine New York Longitudinal Study temperament characteristics in infants aged 1-4 months.

Main Methods:

  • The EITQ is a 76-item parent-completed questionnaire, adapted from the Revised Infant Temperament Questionnaire.
  • Standardization involved 404 infants from a single pediatric practice.
  • Internal consistency and test-retest reliability were evaluated for nine temperament categories.

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Main Results:

  • Internal consistency for the nine categories ranged from .42 to .76.
  • Test-retest reliability ranged from .43 to .87, with higher scores in older infants.
  • No significant gender differences were found in any temperament category.

Conclusions:

  • The EITQ is a developmentally appropriate and reliable instrument for assessing temperament in 1- to 4-month-old infants.
  • This questionnaire will aid researchers and clinicians in understanding infant temperament and its relation to clinical issues.