Play and the development of social engagement: A comparative perspective
Pellis, S.M., Pellis, V.C.
· 2009
★ NIFPlay Rating: 8
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
Pellis and Pellis's comparative analysis of how social play develops and shapes social engagement across mammalian species, identifying shared mechanisms and species-specific elaborations.
