A major pharmaceutical company is conducting clinical trials on a new drug they want to bring to market.They survey 2000 people who have a particular condition that the drug is designed to treat.A portion of the people surveyed receive a high dose of the drug,a portion of the people surveyed receive a medium dose of the drug,and the remaining portion of the people surveyed receive a placebo (sugar pill).The variable in this experiment is:

Question

Quizplus · Accepted Answer

The variable in this experiment is the dosage of drug administered to each person as this is the factor being manipulated and tested to determine its effects on the particular condition the drug is intended to treat. The 2000 people surveyed and all people with the condition that the drug is intended to treat are not variables being manipulated in this experiment. The placebo (sugar pill) is a control group and not a variable being manipulated.

A Major Pharmaceutical Company Is Conducting Clinical Trials on a New