Variables

• What is an interdependent variable?

  The aspect of the experiment which is manipulated by the researcher
• What is a dependant variable?

  The variable measured by the researcher
• What is an extraneous variable?

  Variables other than the independent variable that have the potential to effect the dependant variable.
• What are participant variables?

  An individual difference between the participants that may not have been controlled. e.g. age, personality, motivation.
• What are situational variables?

  An aspect of the environment that may not have been controlled. e.g. noise or time of day.
• What is a confounding variable?

  Variables which advantage or disadvantage one condition over the other if left uncontrolled. The weather could leave those who are exercising outside dissatisfied.