In an experiment, the independent variable is the one the investigator expects to be influenced by another variable.

John signed up to participate in an experimental study examining the efficacy of a new cholesterol medication. However, because he feared that he would develop the severe side effects that often come with this new cholesterol medication, he did in fact develop those side effects even though he was assigned the placebo. This is called the _______ effect.

In a scientific experiment, the variable that is measured by the experimenter to determine whether it has changed is called the __________.

Why might a researcher investigating the health of alcohol users versus nonusers NOT use random assignment?

The amount of time you study for a test and your test score are _________ correlated; elevation and temperature are __________ correlated.

Because psychology is interested in the study of the mind, which isn't an observable phenomenon, we must turn to ___________ and infer from them.

Clinical psychologists are to a PhD as psychiatrists are to ______________.

Multicultural psychology has expanded as a field within psychology and has its strength in the fact that it can use experimental methods.

Wundt is to structuralism as __________ is to functionalism.

Early psychology was biased because of the population in which researchers and participants were a member of.