“Universal" developmental sequences may hide big surprises: The case of the sit-crawl-point sequence
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Date
2022-06-30
Authors
Lall, Debra I. K.
Eaton, Warren
Journal Title
Journal ISSN
Volume Title
Publisher
International Congress of Infant Studies
Abstract
Infant self-locomotion by crawling predicts the onset of later shared attention between a baby and an adult via pointing. The claim that self-locomotion is crucial for attention would be weakened if a stationary pre-crawling milestone like sitting was also predictive. We found that sitting onset did indeed predict pointing onset. The necessity of self-locomotion was further weakened by our finding that 25% of babies point before they crawl.
Description
Keywords
Infant development, joint attention, pointing, crawling, self locomotion, sitting, longitudinal design, survival analysis