Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A research method that compares adopted children's traits with those of their biological and adoptive parents to determine the relative contributions of heredity and environment.
AP course connection
Topic 1.1: 1.1 Interaction of Heredity and Environment