Variables

• What are extraneous variables?


  Variables that influence the relationship of an experiment but are not the independent variable being tested.
• Why are extraneous variables considered undesirable?


  They can affect the outcome of an experiment, leading to inaccurate results.
• What is a confounding variable?

  A variable that is not controlled and can affect the outcome of the experiment.
• What is a single-blind procedure?

  Only the participants are unaware of the study's purpose, reducing demand characteristics.
• What is a double-blind procedure?

  Both participants and experimenters are unaware of the study's purpose, preventing bias.
• What is a dependent variable?


  The factor that is measured in the study by the researcher.
• What is an independent variable?

  The factor that is changed to see the effect on the dependent variable.
• What does operationalizing variables mean?

  It helps identify how the variable is calculated or measured.
• What is an example of operationalizing a variable?

  Measuring reaction time through a reaction time test.