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Title: What is a developmental norm? Post by: Alipantsxo on Oct 15, 2020 What is a developmental norm? ▸ the age at which an average child achieves a skill ▸ the mean age at which children achieve a skill ▸ the median age at which children achieve a skill ▸ the age at which most children achieve a skill Title: What is a developmental norm? Post by: nauticalpal on Oct 15, 2020 Content hidden
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