A Level OCR Psychology mind map on experiments from hodder education textbook by Sarah Byrne

  • Created by: Aishraat
  • Created on: 11-01-19 13:51
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  • Experiments
    • Field
      • Controlled = only IV adjusted
      • Natural environment
      • Little control over EV
      • Strengths
        • High in ecological validity
        • Demand characteristics can be minimised
      • Weaknesses
        • Ethics
          • Lack of consent
          • Deception
          • invasion of privacy
          • Psychological stress
          • No debriefing
        • Low control over variables
        • Difficult to record data
        • Difficult to replicate
      • DEFINITION: can manipulate IV ? C + E can be inferred
    • Laboratory
      • Can control EV
      • artificial environment
      • manipulate IV to measure effect on DV
      • By comparing two or more conditions, C + E can be tested
      • Weaknesses
        • Low in ecological validity
        • Often prone to demand characteristics
        • Ethics
          • Deception
          • Psychological stress
      • Strengths
        • Can show C+E
        • Easily replicable
        • Highly controlled ? effect of EV is minimised
    • Quasi
      • usually conducted in a lab
      • DEFINITION: Naturally occurring IV ? cannot be manipulated by researcher
      • Strengths
        • Naturally occurring IV
        • Highly controlled so effect of EV is minimised
        • Can show C + E
      • Weaknesses
        • Low in ecological validity
        • not easy to replicate.
        • Often prone to demand characteristics
        • ethics
          • Psychological stress
          • Deception
    • DEFINITION: IV is manipulated to see effect on DV

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