Psychology Unit 1 Review

In an experimental study of how differing amounts of time spent playing video games affect concentration, the amount of time spent playing video games would be considered the:

• Dependent Variable

• Control Group

• Operational Definition

• Independent Variable

Psychologists studied Kitty Genovese who was attacked and killed on her way home from her job. It was recorded that there were many witnesses, at least during the initial attack, that did nothing. Psychologists termed the behavior of the witnesses, the Bystander Effect. This is an example of what type of observational study?

• Survey

• Naturalistic Observation

• Case Study

A psychologist collects survey data about the number of hours that high school students study for tests and their grades on those tests. The data indicates that students who spend more time studying for tests tend to do better than other students. What can this psychologist conclude?

• Studying improves a student's grade on a test.

• A relationship exists between studying and test grades.

• Students who do not study for tests will not do well on those tests.

• Students with higher IQs tend to study more than those with lower IQs.

The man who set up the first psychology laboratory was

• William James

• Mary Whiton Calkins

• Wilhelm Wundt

• Edward Titchener

A behavior or trait that is not being affected. The researcher might change it to see if it has a different effect on the dependent variable.

• control group

• dependent variable

• Operational definition

• independent variable

__________________ is the larger group that is being studied.

• Research Bias

• Random Sampling

• Population

• Sample