Sally Is Participating in an Adoption Study

Multiple Choice

Sally is participating in an adoption study. Sally was adopted when she was seven months old. Her biological family could be characterized as Caucasian, middle-class, from an urban setting in the northeastern United States. She was placed with an adoptive family that could be characterized as being Caucasian, middle-class, from an urban setting in the northeastern United States. Sally's adoption presents what potential problem for the researchers of the adoption study?

A) heritability
B) probabilistic epigenesis
C) selective placement
D) equal environments