Concept
Version 13
Created by Boundless
Levinson
Positive Adult Development
Research in Positive Adult Development questions not only whether development ceases after adolescence, but also the notion, popularized by many gerontologists, that a decline occurs after late adolescence.
Source
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"All sizes | IMG_4442 | Flickr - Photo Sharing!."
http://www.flickr.com/photos/kencf0618/3870320688/sizes/m/in/photostream/
Flickr
CC BY-SA 2.0.