AP Psychology

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12 Cards. Created by Sofia Elliott ().

False Consensus Effect

the tendency for individuals to overestimate the level at which other people share their beliefs, attitudes, and behaviors


all the cases in a group being studied, from which samples may be drawn. anyone or anything that could possibly be selected to be in the sample

Random Assignment

the use of chance procedures in psychology experiments to ensure that each participant has the same opportunity to be assigned to any given group.

Operational Definition

the statement of procedures the researcher is going to use in order to measure a specific variable.

Hawthorne Effect

Participants act a certain way because they're aware they're in an experiment.

Random Sample

is a sample in which each member of the population has an equal chance of being selected to represent the whole.

Independent Variable

The experimental factor that is manipulated; the variable whose effect is being studied. Factors that are deliberately changed and effect the dependent variable.

Illusory Correlation

the phenomenon of perceiving a relationship between variables even when no such relationship exists

Placebo Effect

experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition which the recipient assumes is an active agent.


a measure of the extent to which two factors vary together, and thus how well either factor predicts the other.

Dependent Variable

A change in the independent variable will result in a change in this. Result of the experiment; ultimate outcome.

Double-Blind Procedure

an experimental procedure in which both the research participants and the research staff are ignorant about whether the research participants have received the treatment or a placebo.