VCE Psychology - Variables

Front

What is an extraneous variable?

Back

An uncontrolled variable that could affect the dependent variable (DV) in an experiment.

Front

What is a possible operationalised independent variable (IV) in a study on gender and memory recall?

Back

Gender (male or female).

Front

What is the definition of a confounding variable?

Back

A variable that was not controlled and impacted on the dependent variable (DV).

Front

What is the method of research where an investigator manipulates one or more factors to observe the effect on behavior or mental processes?

Back

Experiments.

Front

What is the purpose of a placebo in research?

Back

To ensure both groups experience the placebo effect and minimize its impact.

Front

What is a dependent variable (DV)?

Back

The variable that is measured in an experiment to assess the effect of the independent variable.

Front

What is an independent variable (IV)?

Back

The variable that is deliberately changed or manipulated in an experiment.

Front

What is the difference between a confounding variable and an extraneous variable?

Back

A confounding variable is an uncontrolled variable that affects the DV, while an extraneous variable is any variable other than the IV that could influence the DV.

Front

What is the role of control variables in an experiment?

Back

To keep certain variables constant to ensure that the effect of the IV on the DV can be accurately measured.

Front

What is the placebo effect?

Back

A phenomenon where participants experience changes in their condition simply because they believe they are receiving treatment.