Pattern in Behavior: The Characterization, Origins, and Evolution of Behavior Patterns
Pellis, S.M., Pellis, V.C., Iwaniuk, A.N.
· 2014
★ 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 colleagues' theoretical examination of how behavior patterns — including play — are characterized, develop ontogenetically, and evolve phylogenetically.