Validity of Parent Report - Ages and Stages

Validity of Parent Report

Articles

I have heard that research shows that parents are good reporters of their child’s development. Can you share more information about this research?
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Most parents don’t see their child interact with peers because they do this at preschool or child care. How will their answers to these questions be valid?
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What should we do if the parents do not agree with the caregiver's answers on the questionnaire?
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