本文是关于HSK外部效度的一次实证性研究。
This paper is an experimental study on the external validity of HSK.
控制具体测量过程中的无关变量的影响，保证统计处理的外部效度。
The researchers also should reduce the influence of irrelevant variables in measurement to guarantee the external validity of processing.
由于本研究的外部效度仍待验证，因此对本研究结论的外推应尤其谨慎。
With an unproven external validity, the author suggests a cautious application of this research when translated to the general field of college-choice behavior.
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