AP Psych - Research Methods

The group from which a sample is selected

• population

• assignment

• sampling

• group

A method of selecting a sample from a population

• assignment

• sampling

• random selection

• grouping

The process by which participants are put into either an experimental or a control group

• assignment

• sampling

The process by which participants are selected

• sampling

• assignment

When research measures what the researcher set out to measure; is accurate

• reliabiity

• validity

When research can be replicated; it is consistent

• validity

• reliability

Aims to explain some phenomenon and allows researchers to generate testable hypothesis

• theory

• operational definition

• hypothesis

• correlation

An explanation of how variables are measured

• hypothesis

• correlation

• operational definition

• testing procedure

A statement that expresses a relationship between two variables

• correlation

• hypothesis

• experiment

A statistical measure of a relationship between two variables

• correlation

• hypothesis

• experiment