Research Methods in Psychology: Experimental Design and Variables

Fill-in-the-blank study flashcards covering key psychological research methods concepts including experimental types, designs, hypotheses, and variables.

A method in which one variable is manipulated and its effect on another variable is measured is called an __________.

experiment

The variable manipulated or changed by the experimenter is the __________ variable.

independent

The variable measured to assess the effect of the independent variable is the __________ variable.

dependent

Any variable other than the independent variable that might affect the results is an __________ variable.

extraneous

__________ is keeping everything apart from the independent variable the same for all participants.

Standardisation

A precise, testable prediction about the outcome of a study is a __________.

hypothesis

An alternative hypothesis is a prediction that there will be a __________ in the findings.

significant difference

A null hypothesis is a prediction that there will be __________ in the findings.

no significant difference

An experiment where the independent variable is manipulated in controlled conditions is a __________ experiment.

laboratory

An experiment where the independent variable is manipulated in an everyday environment is a __________ experiment.

field

An experiment where the independent variable occurs naturally rather than being manipulated by the experimenter is a __________ experiment.

natural

A design in which every participant completes all conditions of the independent variable is __________ measures.

repeated

A design in which each participant completes only one condition of the independent variable is __________ measures.

independent