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 the most vulnerable to selectio/ :ixk0nnm2 ..k9eyzyz px :pan bias?m4u x5idf0d*r
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 variables without experim x9g do0-mn speo2rro*;:e+qkental manipulation. Since 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 assignment0 d +9-*rog:soe mp2;renxko q, also reducing selection bias, which is the same with quasi-experiments (C).
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