The New Yorker, December 5 , 1925P. 1 George Tyler's "School for Scandal" to play invitation performance on its way from Boston to Newark and points West.
She quotes Penny's 1990 play Invitation to the Beginning of the End of the World, in which the mother of Rita Redd, a fictional drag queen, cries out on the streets of New York to all the yuppies who don't know who her son was, even though they occupied the same spaces.
A play session began when one partner directed any playful pattern (play invitation, PINV) towards a co-specific and ended when i) the playmates ceased their activities, ii) one of them moved away or iii) one of the two playmates was substituted by another individual.
"Contact play invitation": causes recipient to approach and make body contact to start playing, usually rough-and-tumble or wrestling play.
The type of treatment dogs were administered with did not affect how often subjects were involved in social play (Wilcoxon signed rank test: z = −1.749, N = 15, p = 0.08), nor how often they engaged in play after receiving a play invitation (z = 0.479, N = 15, p = 0.6384).
