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]
What is one advantage of using a matczi /r: vurk:d0 1,h-wh:bt qlyhed pairs design5j6vog8tz:;p afh; vi over an independent samples design;api5tv;hg6 j8vzf:o?
A. Increased statistical power due to larger sample sizes
B. Elimination of individual differences as a potential confounding variable
C. Reduced risk of experimenter bias
D. Ability to study long-term effects
参考答案: B
本题详细解析:
:
Matched pairs design involves pairing participants based on kxy:ur/5w,1dq-7due qqasw+ some characteristic before assigning them to different treatment groups. This helps control individual differences and reduces the risk of confounding variables affecting the results u /:xdaqk+d5s,7ww -qy ue1 qr(B).
Matched pairs design doesn't necessarily result in larger sample sizes (A). Experimenter bias is unrelated to the choice of research design (C), and the research designs don't necessarily determine the study's duration (D).
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