nhdhdj
nhdhdj
14.01.2020 • 
Biology

Five-year-old trevor is emotionally disturbed and refuses to communicate with anyone. to get him to speak, his teacher initially gives him candy for any utterance, then only for a clearly spoken word, and finally only for a complete sentence. the teacher is usingthe method ofa) secondary reinforcement.b) delayed reinforcement.c) spontaneous recovery.d) shaping

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