本题目来源于试卷: IB Psychology HL Approaches to Research on Behavior，类别为 IB心理学
[单选题]
Which research design is ,5t58cypn/ eej yi.a0lj cs. e mo;5zo,nh)ja(fvp 14e 0pe oythe most vulnerable to selection bias?
A. Field experiment
B. True experiment
C. Correlational study
D. Quasi-experiment
参考答案: C
本题详细解析:
Correlational studies examine relationships between variablesoz/4 v3u bhk1w without experimental manipulation. 41bvozuh/3kwSince participants are not randomly assigned, selection bias may be a concern.
As for the other choices, (A) field experiments use experimental designs with manipulation, which may reduce selection bias, (B) true experiments involve random assignment, also reducing selection bias, which is the same with quasi-experiments (C).
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