然而，案例分析法存在两大严重的缺陷，它容易受到期望效应以及非正常个体的影响。

There are two serious problems with case studies — expectancy effects and atypical individuals.

youdao

然而，案例分析法存在两大严重的缺陷，它容易受到期望效应以及非正常个体的影响。

There are two serious problems with case studies — expectancy effects and atypical individuals.

youdao