What is a discriminative stimulus (SD)?

Multiple choice — select the best answer

AA stimulus that causes reflexive behavior
BA stimulus that signals the availability of reinforcement for a specific behavior
CA stimulus that serves as punishment for a behavior
DA stimulus that has no effect on behavior

✓ Correct answer: B. A stimulus that signals the availability of reinforcement for a specific behavior A discriminative stimulus signals the availability of reinforcement for a specific behavior. When present, it indicates that a certain behavior is likely to be reinforced, increasing the probability of that behavior occurring.

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