“…Additionally, research suggests that play behavior is influenced by the play contexts and play materials (Henniger, 1985;Larson et al, 1990;McLoyd, 1983;Pellegrini & Galda, 1982;Pellegrini et al, 1984;Shim et al, 2001) and play partners (Doyle et al, 1980;Matthews, 1978;Hadley & Rice, 1991;Hartup, 1978;Howes, 1983;Howes et al, 1994;Rice, 1993). Rubin's (2001) play observation scale included social play behavior categories (solitary, parallel, and cooperative play behaviors) and cognitive play behaviors categories (functional play, constructive play, pretend/dramatic play, and games with rules).…”