3 types

• 3 types of experiment


  • laboratory
  • field
  • quasi
• Laboratory experiment


  • conducted in a lab (controlled environment)
  • IV manipulated, DV measured
  • participants know they're taking part in the experiment even if they do not know the aim (extraneous variable)
• Field experiment


  • conducted in a more natural environment to the participants
  • IV manipulated, DV measured
  • participants do not always know they're taking part
• Quasi experiment


  • conducted in lab/natural environment
  • IV not manipulated, occurs naturally, DV measured
  • participant can know or not know they're taking part