A group of researchers wants to determine whether certain dietary factors are associated with the risk of attention deficit hyperactivity disorder (ADHD).The scientists follow a group of 500 healthy newborn babies for 10 years and collect health information as well as dietary practices for each child.At the end of the study period,the scientists analyze the data for correlations between the children's dietary practices and their likelihood of being diagnosed with ADHD.This is an example of a _____ study.
A)prospective
B)retrospective
C)factorial
D)hypothetical

Question

Quizplus · Accepted Answer

This is a prospective study because the researchers are following a group of healthy newborns over a period of time and collecting data on their dietary practices and health outcomes. A retrospective study would look back in time at past data, and a factorial study would involve manipulating multiple variables to see how they interact. A hypothetical study is not a recognized type of study design.

A Group of Researchers Wants to Determine Whether Certain Dietary