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Erjavec, Mihela; Horne, Pauline J. – Journal of the Experimental Analysis of Behavior, 2008
Twenty children, ten 2-year-olds and ten 3-year-olds, participated in an AB procedure. In the baseline phase, each child was trained the same four matching relations to criterion under intermittent reinforcement. During the subsequent imitation test, the experimenter modeled a total of 20 target gestures (six trials each) interspersed with…
Descriptors: Imitation, Nonverbal Communication, Toddlers, Reinforcement