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 matched pairlhs+kze:( -/wy, vqy xh 16jlas design over an independent(gjkyj7gr8 m 0 samples desigmy08jjg (7kr gn?
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 partih5fq *q vhzqb nn*8k30q9cx5j cipants based on some characteristic before assigning them to different treatment groups. This helps control individual differences and reduces the risk of confounding variables affecting the results (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 dnb q0n *v5qfjchqx5q 8hz39k*uration (D).
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