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A parentally-administered cognitive development assessment for children from 10 to 24 months

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>04/2013
<mark>Journal</mark>Infant Behavior and Development
Issue number2
Number of pages9
Pages (from-to)279-287
<mark>Original language</mark>English


The Cognitive Development Questionnaire (CDQ) allows accurate assessment of
cognitive development of children from 10 to 24 months by parents and caregivers in the home. It takes between one and two hours to complete over about a week. Three phases of work are described, in which the instrument is progressively refined to improve its validity and reliability. This resulting version of the CDQ shows excellent correlation with age, and with the Mental Scale of the Bayley Scales of Infant
Development (Bayley, 1993). The CDQ thus offers researchers and clinicians a useful
alternative to professionally-administered cognitive assessment in infancy.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Infant Behavior and Development 36 (2), 2013, © ELSEVIER.