Number 957
Date Sep. 28th 2011
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Development is the 957th xkcd comic.


The APA is the American Psychological Association. Piaget was a Swiss psychologist who studied the development of children. He separated the development into 4 stages.

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"Funding was quickly restored to the NHC and the APA was taken back off hurricane forecast duty."

See alsoEdit

Piaget Stages of Development

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