Experimental Design

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  • Created by: Ambrosia
  • Created on: 02-01-13 15:42

Experimental Design

Independent Groups Design

Participants only take part in one condition

Limitations

  • no control of participant variables
  • you need more participants

Strengths

  • Less order effects
  • less chance of demand characteristics
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Matched Pairs Design

Matched pairs Design

Trying to match participants on key variables

Strengths

  • Less participant variables

Limitations

  • Very time consuming
  • You can only match by known variables
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Repeated Measures Design

Repeated Measures Design

when participants take part in every condition

Strenghts

  • Less participant variables

Limitations


  • increased order effects
  • demand characteristics
  • participants may guess the aims of the experiement
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Pilot Study

A pilot study is used to ensure participants understand all aspects of the experiment

it is a a small scale study carried out before the main research

Advantages you can reduce the number of unanticipated problems saves time and money can test different experimental designs to see which produces the clearest results

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