問題詳情
24. In which type of design are the conditions, variables, and participantsscrupulously screened and selected for specific traits or characteristics desired by theresearcher to isolate what is being studied from any possible confounds, orundesired interference in the study?
(A)quasi-experimental design
(B) case study design
(C) qualitative methodology
(D)cross-sectional research design
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增