Who is most likely to be the target of abuse?

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. a) control b) extraneous c) experimental d) correlational

The reason it may be difficult to remember how many rows of stars appear on the United States flag is most likely due to

a. the limits of our visual system. b. sensory adaptation. c. the fact that we pay little attention to such details. d. habituation. e. sensory interference.