“…The results obtained with the three target children suggest that peer reciprocity may facilitate the maintenance of children's play invitations over time. DESCRIPTORS: peers, generalization, sharing, social behavior, children During the past several decades many researchers have demonstrated the operant nature of children's social behavior (e.g., Allen, Hart, Buell, Harris, & Wolf, 1964; Barton & Ascione, 1979; Hart, Reynolds, Baer, Brawley, & Harris, 1968;Hopkins, 1968;Rogers-Warren & Baer, 1976).…”