Lab Description and Evaluation (using Loftus and Palmer EWT and Leading Questions)

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  • Lab Description and Evaluation (using Loftus and Palmer EWT and Leading Questions)
    • IV manipulated to see effect on DV.
      • Verb manipulated to see effect on memory recall.
    • EVs are controlled.
      • All pps. shown the same 7 clips for 5 - 30 seconds.
    • Artificial setting - pps. in a lab watching clips instead of real car crash incident.
    • + High Reliability
      • Standardised procedure of 7 clips for all pps.
        • Can be replicated w/ similar results.
    • - Low validity
      • Artificial setting, using students which may be used to tests.
        • Also may not try so hard are it is not a serious real life situation.
    • - High DC
      • Pps. know they are in a study and so may behave differently.
        • Experimenter Effects
    • + high Objectivity
      • Generates quantitative data which can be analysed.
    • + Good Ethics
      • Able to gain consent as they will know they are being studied.

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