A Group of Researchers Wants to Determine Whether Certain Dietary

question 62

Multiple Choice

A group of researchers wants to determine whether certain dietary factors are associated with the risk of attention deficit hyperactivity disorder (ADHD) in children.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)retrospective
• B)factorial
• C)prospective
• D)hypothetical

---

Definitions:

Nuclear Power Plants

Complexes that convert energy from nuclear fission into electrical energy, being a significant source of base-load electricity with low greenhouse gas emissions.

Mothballing

The practice of temporarily shutting down a facility or equipment but maintaining it in a condition that allows its future reuse.

Immediate Retrofitting

The quick adaptation or upgrading of existing structures or systems to improve efficiency, performance, or compliance with current standards and regulations.

Spent Fuel Reprocessing

The chemical treatment of used nuclear fuel to extract usable elements such as uranium and plutonium for re-use in reactors.