本研究采用静态组比较设计方式进行实验研究。
This research made use of the static-group comparison design method for use in quasi-experimental research.
这项研究的缺陷除了两个治疗组54周的有效数据比较，还包括研究设计。
Limitations of this study include study design precluding valid statistical comparisons between the treatment groups at week 54.
研究采用锚测验非等组设计，对IRT真分数等值和IRT观察分数等值两种方法进行了比较研究。
IRT true score equating and IRT observed score equating in common-item non-equivalent group design based on the item response theory were compared.
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