Psychology Chapter 2 Review

Psychologists use everyday techniques to gather and analyze information in a systematic way.

• True
• False

A stratified sample is considered nonrepresentative because it places the population into small groups.

• True
• False

The primary rule of naturalistic observation is to remain unseen or unnoticed by the subjects of your observation.

• True
• False

Psychologists regularly develop theories based on case studies.

• True
• False

A positive correlation indicates that there is a cause-and-effect relationship between two sets of data.

• True
• False

One difference between an interview and a questionnaire is that the researcher conducting an interview can clarify or rephrase a question.

• True
• False

 Researchers use experiments when they have more than two variables to consider.

• True
• False

An ethical psychologist would not use an anonymous survey because the participants would be unaware of how the results of the survey would be used.

• True
• False

Some distributions have two modes, and are therefore known as bimodal distributions.

• True
• False

Participants in an experiment who are exposed to the independent variable make up the

• a. Control
• b. Experimental
• c. Variable
• d. Single-blind