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Developing an Experiment

Developing an Experiment. Testing Preparation. Understand the users’ needs Determine the purpose of the test Staff the test team Set up the test environment Develop a test plan Select participants Prepare the test materials Conduct a pilot test. Experiment.

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Developing an Experiment

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  1. Developing an Experiment

  2. Testing Preparation • Understand the users’ needs • Determine the purpose of the test • Staff the test team • Set up the test environment • Develop a test plan • Select participants • Prepare the test materials • Conduct a pilot test

  3. Experiment • Select relevant variables for testing. • Specify the levels of treatment. • Control the environmental and extraneous factors. • Choose an experimental design suited to the hypothesis. • Select and assign subjects to groups (demographics). • Pilot-test, revise, and conduct the final test. • Analyze the data.

  4. Market Testing • Will someone purchase your device? • How user friendly is the device?

  5. Surveys • Demographics • Wording of questions • Using the Likert Scale • Statistical analysis • Set criteria before testing • Error analysis

  6. Case Studies • Single sampling • Detailed analysis • Unforeseen factors • Representative of population?

  7. Product Testing • Standard operating conditions • Changes in environment (extreme heat, extreme cold, or water) • Test to failure • Critical stress • Surges • Fail safe • Safety warnings • Malfunction alert system

  8. Product Testing • Government regulations (FCC for wireless) • After use disposal • Life expectancy • Proper maintenance / improper maintenance • “Dummy” proof • Product liability possibilities

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