本题目来源于试卷: IB Psychology HL Biological Approaches to Human Behaviour，类别为 IB心理学
[单选题]
Which among the choices kml(fhb:e+ 3w0to1hg belo+ ;,3vfkt a db)faxk.cw is a limitation of twin studies?
A. Twin studies measure the concordance rates of a particular trait across the two different types of twins.
B. Twin studies allow disentanglement of the shared genetic and environmental factors for the trait of interest.
C. Twin studies differentiate between variances due to all genetic effects.
D. Twin studies usually have small sample sizes.
参考答案: D
本题详细解析:
Twin studies are small in sample size and rare due to the uniqueness of their tj 0*;uj.sbpz5q/1hn)i: cjop8c udwo arget group. It becomes difficult to collect samples depending on thed5;jju 0o iu.c/*shj1n)8z: wp bqopc aim of the research. Twin studies are on monozygotic or dizygotic twins or both. This results in issues with the replication of similar studies.
Options A, B and C are strengths of twin studies.
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