The twin-study method is used by researchers to get around which methodological problem?
A) Biased samples
B) A confound between genetic and environmental influences
C) Questions about generalizability
D) Validity of measures

Question

Quizplus · Accepted Answer

The twin-study method compares the similarities in traits between identical twins who share 100% of their genetic material and fraternal twins who share only 50% of their genetic material. By comparing these two groups, researchers can determine whether differences in trait expression are due to environmental factors or genetic factors. This allows them to get around the confound between genetic and environmental influences in traditional studies.

The Twin-Study Method Is Used by Researchers to Get Around