Research methods

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Laboratory Experiments

  • Takes place in a artifical and controlled setting. The independant variable is deliberalty malipulated  by the researchers and the dependant variable is is measured to see the affects of the IV and DV. 
  •  The exstrenuous variables are controlled to the best they can possibly be in order to prevent them from affecting the results. This isn't always possible as confounding variables may affect the results. 
  •  Cause and affect conclusions can be drawn
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Laboratory Experiments Strengths and weaknesses


  • careful controls mean they are replicable so can test for reliability 
  • good controls mean there should be little confounding variables so experiment is objective


  • not real life as isolated variables making the results less valid 
  • lab experiments lack validity of the task making them unrepresentative of behaviour 
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