有關評論文章的問題 非常急!!

Systematic approach to the critique of research papers:

Are the controls appropriate? Can the results be affected by variables that have not been controlled:

請問一下這句話是在問什麼阿??
麻煩大大幫我解釋一下~
謝謝!!


請勿張貼翻譯軟體翻的~
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