Which of the Following Types of Research Would Be Very

question 149

Multiple Choice

Which of the following types of research would be very useful for examining the heritability of a particular trait?

• A)Family studies, where researchers examine the extent to which a trait "runs" or goes together in intact families, those in which all family members are raised in the same home.
• B)Twin studies, where researchers investigate whether fraternal twins are more alike on a psychological characteristic, like intelligence or extraversion, than are fraternal twins, and thus can infer that this characteristic is genetically influenced.
• C)Adoption studies, where adoption agencies frequently place children in homes similar to those of the biological parents.
• D)Phenotype studies, where individuals are tracked over time to find out whether their eventual phenotype is consistent with their phenotype at birth.