In a laboratory, smokers are asked to “drive” using a computerized driving simulator equipped with a stick shift and a gas pedal. The object 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, the independent variable is ___________.

The individual often described as the “father of experimental psychology” is

Myelin is a fatty substance that is used in the nervous system to

Lisa is interviewing a client that seems to be suffering from depression. If she is strongly influenced by the cultural perspective, which question is she most likely to ask?

The two hemispheres of the brain communicate with each other primarily through a wide band of nerve fibers that pass between them called the

When a blood culture is ordered, which of the following is used at the venipuncture site to eliminate contaminating bacteria?

What is the first step OSHA recommends for the effective management of an accidental sharps exposure?

A centrifuge is used to separate

It is important to shake a Vacutainer tube after collecting a blood sample so that the sample and additive are properly mixed.

Plasma could be retrieved from a