Type of experiment

• what is a field experiment?

  There is IV manipulation

  A lack of EV control

  There may or may not be random allocation

  This is an experiment that takes place in everyday life
• lab experiment

  • IV manipulation
  • extraneous variables are controlled
  • random allocation
  • CONTROLLED setting
• natural experiments

  • IV manipulation
  • lack of EV control
  • may or may not have random allocation
  • takes place in everyday life
• quasi experiments

  • IV manipulation already exists (age/gender)
  • little/no control over EV
  • may or may not be random allocation