模拟实验是检验理论有效性的重要实践手段。
Lab test is the important method to check the valid of new theory.
也就是说，对于各种现象中的问题与实践的理解可以促进所设立的理论模型的有效性、完善性和影响力。
That is, a deep understanding of the issues and practices involved in the phenomenon improves the valid-ity, sophistication and power of theoretical models developed.
从我对动机的研究来说，我很怀疑内在动机理论的有效性。
Based on my studies of life motives, I suspect intrinsic motivation theory is invalid. Consider the people you know who are explorers.
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