1.variables

• What is an independent variable?


  The variable that is directly manipulated or changed by the researcher.
• What is the dependent variable?


  The variable hat is being measured in a study.
• What is operationalisation?


  Making the variables in an investigation, detailed and specific.

  -important so the IV and DV can be easily testable and measurable.
• What is an extraneous variable?


  A variable that in not controlled, which could affect the results of a study.

  It can be situational or participant.
• Participant variable?


  differences between the participants themselves such as height, birthday that don't affect the study but others ( intelligence, level of education) might make a big difference.
• Situational variable?


  a characteristic that differs across environments or stimuli (weather etc.)
• Confounding variable ?


  a factor other than the independent variable that might produce an effect in an experiment which can lead to unreliable findings.