Summary

• Formal studies can reveal detailed information but but take extensive time/effort

• Human participants entail special requirements

• Experiment design involves

  • Factors, levels, participants, tasks, hypotheses
  • Important to consider which factors are likely to have real effects on the results, and isolate these

• Analysis

  • Often need to involve a statistician to do it right
  • Need to determine statistical significance
  • Important to make plots and explore the data

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