A Nutrition Researcher Would Like to Determine Whether Healthy Women

Multiple Choice

A nutrition researcher would like to determine whether healthy women who take fish oil supplements during pregnancy give birth to children who score higher on basic intelligence tests when they are 5 years of age.The scientist plans to compare the IQ test results of this group of children with the test results of a group of 5-year-old children with similar backgrounds whose mothers were healthy but did not take fish oil supplements when pregnant.This kind of research is a _____ study.

A) double-blind
B) in-vitro
C) intervention
D) retrospective