Types of experiments

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  • Created by: izzy
  • Created on: 16-06-13 15:17

Laboratory Experiment

The method whereby all the key features of the experiment are met. That is, the IV is directly manipulated, all the other extraneous variables are controlled and participants are randomly allocated to conditions.


  • High levels of control (both of IV and EVs)
  • Replicability - high
  • Can conclude cause and effect
  • Can lack ecological validity
  • Higher chance of investigator and participant effects
  • Artificiality - the tasks in the experiment can sometimes lack mundane realism

Field Experiment

The researcher controls the independent variable but the experimenter cannot


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