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 matche :8 ztfdv2qmr6d pairset9/f5yp+f4bm:e6 nt2siv6 gxp* svcm2 x:tf design over an independent samples desiytx4 s5ice6mv ns9t ve :/ b2pmp*2 fff+:6gtxgn?
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 participa4:n 1ng kspjw/wc4x* hnts based on some characteristic before assigning them to different treatment groups. This helps control individual differences and reduces 1 *jwgh n4pksw4:cnx/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 duration (D).
| 
