AP Psychology Research review vocab

Front

The condition that exists when the probability that the findings are not due to chance

Back

statistical significance

Answer explanation

Statistical significance refers to the condition when the probability that the findings are not due to chance.

Front

each time a study is repeated, the results are consistent.

Back

reliability

Answer explanation

The correct choice is reliability because it refers to the consistency of results when a study is repeated.

Front

Factors that cause differences between the experimental group and control group other than the independent variable.

Back

confounding variables

Answer explanation

Factors that cause differences between the experimental group and control group other than the independent variable are known as confounding variables.

Front

The factor the researcher manipulates in a controlled experiment

Back

independent variable

Answer explanation

The independent variable is the factor that the researcher manipulates in a controlled experiment.

Front

The subgroup of the population that participates in the study

Back

sample

Answer explanation

The correct choice is 'sample' because it refers to the subgroup of the population that participates in the study.

Front

A phenomenon that occurs when a researcher's expectations or preferences about the outcome of a study influence the results.

Back

experimenter bias

Answer explanation

Experimenter bias refers to when a researcher's expectations or preferences influence study results, potentially skewing outcomes.

Front

The subgroup of the sample that receives the independent variable.

Back

experimental group

Answer explanation

The subgroup of the sample that receives the independent variable is known as the experimental group.

Front

Division of the sample into groups so that every individual has an equal chance of being put in any group or condition.

Back

random assignment

Answer explanation

Division of the sample into groups so that every individual has an equal chance of being put in any group or condition is known as random assignment.

Front

A psychological or physical treatment given to the control group that resembles the treatment given to the experimental group, but that contains no active ingredient.

Back

placebo

Answer explanation

A placebo is a psychological or physical treatment given to the control group that resembles the treatment given to the experimental group, but that contains no active ingredient.

Front

A description of the specific procedure used to determine the presence of a variable.  Created so that the experiment can be replicated by others.

Back

operational definition

Answer explanation

An operational definition is a description of the specific procedure used to determine the presence of a variable, allowing for replication of the experiment by others.