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)hypothetical
D)factorial

Question

Quizplus · Accepted Answer

This is a prospective study since the researchers are following a group of healthy newborn babies over a period of 10 years to determine whether certain dietary factors are associated with the risk of ADHD. A retrospective study would involve looking back at past data to try and find an association between dietary factors and ADHD. A hypothetical study is one that is based on theoretical or speculative ideas, whereas a factorial study involves looking at multiple factors to see how they interact with each other to affect a particular outcome.

A Group of Researchers Wants to Determine Whether Certain Dietary