quasi experiments

• Quasi

  • IV varies naturally (no manipulation) eg twins
  • Used when unethical or impractical to manipulate the IV
  • DV can be tested in a lab
• STRENGTHS:

  • More practical and ethical in most cases
  • Can take place in a lab, advantage of equipment and higher control
• WEAKNESSES

  • Difficult to recruit participants
  • Less control over the other variables
  • Cultural bias - less diverse/representative