Goal setting theory suggests that goals enhance motivation, they should be specific, and at a level of difficulty that is challenging but attainable.

目标设置理论认为，明确的、有一定难度、具有挑战性但又能够达到的目标能够增强行为动机。

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Goal setting theory suggests that goals enhance motivation, they should be specific, and at a level of difficulty that is challenging but attainable.

目标设置理论认为，明确的、有一定难度、具有挑战性但又能够达到的目标能够增强行为动机。

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