When Jack was in his twenties,he was more emotional and less conscientious in his job.Now that he is in his forties,he is more emotionally stable and more agreeable in his work and family life.Jack's change illustrates

Question

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The maturity principle states that people become more conscientious and agreeable as they age, which is evidenced by Jack's change in behavior from his twenties to his forties.

When Jack Was in His Twenties,he Was More Emotional and Less