CONTROL OF VARIABLES

    Cards (4)

    • What is randomisation?
      use of chance when designing investigations to control for effects of bias
    • what is standardisation?
      using exactly the same formalised procedures for all participants in a research study, otherwise differences become EVs
    • what is counterbalancing?
      used to deal with order effects, sample divided in two, one half complete one condition first other half complete the other then then swap
    • What is random allocation?
      the allocation of participants to conditions in an experiment
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