Research Methods

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Variables

In an experiment a researcher changes one thing and sees what it does to something else

The independent variable is the thing that is manipulated 

The dependent variable is what is measured 

Extraneous variables 

Environment 

  • Temperature 
  • Noise 
  • Time of day 
  • Participant 
  • Age 
  • Gender 
  • Motivation 
  • Intelligence 
  • Hunger 
  • Mood 

Situational variables 

  • Time of day 

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