Children's games during school recess in the first cycle of basic education in northern Portugal
Pereira, B.O., Silva, A.I., Carvalho, G.S.
· 2004
★ NIFPlay Rating: 4
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
Observational study cataloguing the types of games children play during recess in Portuguese primary schools, documenting the persistence of traditional games alongside newer play forms.