Children Youth and Environments · 2018 · 23 citations · 23 references
Adina Cox, Janet Loebach, Sarah Little, Understanding the Nature Play Milieu: Using Behavior Mapping to Investigate Children's Activities in Outdoor Play Spaces, Children, Youth and Environments, Vol. 28, No. 2, Unleashing the Power of Play: Research from the International Play Association 20th Triennial Conference (2018), pp. 232-261
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The Measurement of Observer Agreement for Categorical Data
J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 76.3K citations · Full text