An investigator wanted to determine the effect of egg consumption on cholesterol levels. She asked subjects to consume 3 eggs per day for three weeks and tested their cholesterol levels before and after the 3 weeks. This type of study is an _____ study and should also include a _____ group.

Question

Quizplus · Accepted Answer

This is an intervention study because the investigator is intervening by asking subjects to consume a specific amount of eggs. It should also include a control group to compare the results of the intervention group to a group that did not consume 3 eggs per day.

An Investigator Wanted to Determine the Effect of Egg Consumption