Which theorist conducted an experiment in which a rat was conditioned to press a bar in order to receive a reward, illustrating how nurture influences behavior?A.Francis GaltonB.John B. WatsonC.Gail GrossD.B. F. Skinner

B. F. Skinner studied operant conditioning, in which behavior is shaped by its consequences. In his experiments, a rat learned to press a bar to receive food, showing how rewards can influence learned behavior. The correct choice is B. F. Skinner.

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