EVALUATION

• STRENGTHS OF A FIELD EXPERIMENT?

  • high mundane realism
  • findings have high ecological validity
  • reduced demand characteristics
• WEAKNESSES OF A FIELD EXPERIMENT?

  • low control over extraneous variables
  • cause and effect not established
  • difficult to replicate
  • ethical issues
  • impractical
• WHAT ARE THE ETHICAL ISSUES REGARDING FIELD EXPERIMENT?

  consent and privacy
• WHY ARE FIELD EXPERIMENTS IMPRACTICAL?

  time consuming and expensive