Independent and dependent variables

• What is the independent variable in an experiment?

  The variable manipulated by the researcher
• How does the independent variable affect the experiment?

  It is manipulated to observe its effects
• What is the abbreviation for independent variable?

  IV
• What is the dependent variable in an experiment?

  The variable being measured in the experiment
• How does the dependent variable relate to the independent variable?

  It 'depends' on the independent variable
• What is the abbreviation for dependent variable?

  DV