Psychology unit 5 chp. 2 vocab

The small group of participants, out of the total number available, that a researcher studies.

• Naturalistic Observation

• Sample

• Case Study

• Survey

Researcher method in which the psychologist observes the subject in a natural setting without interfering.

• Naturalistic Observation

• Sample

• Case Study

• Survey

Research method that involves an intensive investigation of one of more participants.

• Naturalistic Observation

• Survey

• Longitudinal Study

• Case Study

Research method in which information is obtained by asking many individuals a fixed set of questions.

• Case Study

• Survey

• Cross-Sectional Study

• Longitudinal Study

Research method in which data is collected about a group of participants over a number of years to assess how certain characteristics change or remain the same during development.

• Cross-Sectional Study

• Survey

• Longitudinal Study

• Correlation

Research method in which data is collected from groups og participants of different ages and compared so that conclusions can be drawn about differences due to age.

• Correlation

• Longitudinal Study

• Hypothesis

• Cross-Sectional Study

The measure of a relationship between two variables or sets of data.

• Hypothesis

• Correlation

• Cross-Sectional Study

• Variable

An educated guess about the relationship between two variables.

• Hypothesis

• Correlation

• Variable

• Experimental Group

Any factor that is capable of change.

• Experimental Group

• Hypothesis

• Variable

• Control Group

The group to which an independent variable is applied.

• Control Group

• Experimental Group

• Variable

• Self-Fulfilling Prophecy