The Decline of Play and the Rise of Psychopathology in Children and Adolescents
Gray, P.
· 2011
★ NIFPlay Rating: 6
Rating Scale
10 Rigorous play-specific science
6–9 General biological science
5 Sound play research (uncontrolled)
1–4 Less rigorous / indirect
0 Indirect but high value
Peter Gray's influential paper documenting the parallel decline of free play and rise in child and adolescent psychopathology over the same decades, arguing for a causal link.