In a laboratory,smokers are asked to "drive" using a computerized driving simulator equipped with a stick shift and a gas pedal.The objective is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions.Some of the participants smoke a real cigarette immediately before climbing into the driver's seat.Others smoke a fake cigarette without nicotine.You are interested in comparing how many collisions the two groups have.In this study,those who receive the cigarette without nicotine comprise the ___________ group.

Question

Quizplus · Accepted Answer

A control group gets either no treatment or treatment with no effect; in this case,experimenters are controlling for the possibility that the cigarette itself (not the nicotine)might cause people to get into collisions.

In a Laboratory,smokers Are Asked to "Drive" Using a Computerized