Dr. lee is interested in determining the degree to which genetics influence intelligence, so she compares the intelligence test scores of identical and fraternal twins. dr. lee's field of study is:

dr. lee's field of study is: Developmentalism

Developmentalists' main focus is to know every factors that could cause changes in human beings over the course of our lives.

These factors will include things such as social interaction, genetic factors (such as strength or intelligence), Environmental condition, etc.