If a person learns a task by insight, we expect performance to: a) increase gradually across trials. b) show a sudden jump on one particular trial and remain high thereafter. c) show a sudden jump on one particular trial and then gradually decline. d) remain relatively constant across all trials.

B) show a sudden jump on one particular trial and remain high thereafter.

Explanation:

When a person learns any task by insights or by intuition, that particular task remains in the memory of the person for ever. The process and task inculcates and stays in the person's memory.

When the person performs a task, he shows a sudden jump in one of the practice trials and after that he masters that skill and maintains the performance level.

His performance of performing the task gradually increases after he practices and performs the task again and again. He finally masters the task and never forgets the task in his life thus increasing the performance.

Thus the answer is B) show a sudden jump on one particular trial and remain high thereafter.

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