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Assertion (A) : Research suggests that delay conditioning is generally the most effective method for establishing a conditioned response.

Reason (R) : Conditioned stimulus helps predict forthcoming presentation of the unconditioned stimulus.

  • A.Both (A) and (R) are true and (R) is the correct explanation of (A).
  • B.Both (A) and (R) are true but (R) is not the correct explanation of (A).
  • C.(A) is true but (R) is false.
  • D.Both (A) and (R) are false.

Answer: A

Both statements are true and the reason explains the assertion, so the answer is option A.

In delay conditioning the conditioned stimulus begins before the unconditioned stimulus and stays on until it arrives. Research has generally found this the most effective arrangement for establishing a conditioned response. It works because the conditioned stimulus is a reliable signal of the coming unconditioned stimulus, which is the reason given, since conditioning depends on the stimulus predicting the outcome.

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