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The reliability and validity of the Infant Behavior Questionnaire-Revised

Stephanie H Parade1, Esther M Leerkes

  • 1The University of North Carolina at Greensboro, 248 Stone, PO Box 26170, Greensboro, NC 27402-6170, USA. shparade@uncg.edu

Infant Behavior & Development
|September 23, 2008
PubMed

Insights

The Infant Behavior Questionnaire-Revised (IBQ-R) shows good reliability and validity in 6-month-olds. Parent depression impacts how well parent reports match infant temperament observations.

Area of Science:

  • Developmental Psychology
  • Child Psychology
  • Behavioral Science

Background:

  • Parental reports are crucial for understanding infant temperament.
  • The Infant Behavior Questionnaire-Revised (IBQ-R) is a key tool for assessing infant temperament.
  • Understanding the reliability and validity of the IBQ-R is essential for accurate research and clinical practice.

Purpose of the Study:

  • To evaluate the reliability and validity of the Infant Behavior Questionnaire-Revised (IBQ-R) in a sample of 6-month-old infants.
  • To examine the influence of parental depression and infant gender on the concordance between parent-reported and observed infant temperament.

Main Methods:

  • 115 mothers and 79 fathers completed the IBQ-R and a depression measure.
  • 98 infants underwent laboratory temperament assessments.
  • Internal consistency, inter-rater reliability, and convergent validity of the IBQ-R were analyzed.

Main Results:

  • The IBQ-R demonstrated adequate internal consistency for all 14 subscales for both mothers and fathers.
  • Inter-rater reliability between mother and father reports was found for 11 of 14 subscales.
  • Convergent validity was supported for observed fear and parent-reported fear/approach.
  • Parental depression moderated the agreement between parent reports and observed temperament, with higher concordance when parental depression was low.

Conclusions:

  • The IBQ-R is a reliable and valid measure of infant temperament at 6 months.
  • Parental mental health, specifically depression, influences the accuracy of temperament reporting.
  • Infant gender did not significantly affect the concordance between parent reports and observed behaviors.

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