Experiment Types

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3 Types:

  • Lab- artificial setting with manipulated Independent variable (IV)
  • Field- natural setting, usually in the participants' own setting.
  • Natural- have a naturally occuring I.V

Lab Stengths: Good controls, replicable. Give cause and effect relationship. Less chance of extraneous variables

Lab Weaknesses: environment lacks E.V so what is measured is not natural so less valid.


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