What is an independent variable?
What you change within an experiment
What is a dependent variable?
What you measure within an experiment, measuring the effect of the IV
What is an extraneous variable?
A varaible that you don’t measure which affects the DV
What is a confounding variable?
A variable linked to the IV which affects the DV
What is operationalisation?
Putting variables in a prcise form that can be tested, allowing for replication of the study