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Chapter 8: Experiments

Chapter 8: Experiments. COM 4435: Communication Research Methods June 21, 2007. Chapter 8: Experiments. Why do we conduct experiments? To establish ______________ ____________ vs. ______________?. Chapter 8: Experiments. High School Graduation Rates (2001). Chapter 8: Experiments.

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Chapter 8: Experiments

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  1. Chapter 8: Experiments COM 4435: Communication Research Methods June 21, 2007

  2. Chapter 8: Experiments • Why do we conduct experiments? • To establish ______________ • ____________ vs. ______________?

  3. Chapter 8: Experiments • High School Graduation Rates (2001)

  4. Chapter 8: Experiments • Why do we conduct experiments? • What is an experiment? • Characteristics of experiments • The researcher ______________________. • Comparisons Between Groups • ____________ Group & ________________ Group • Or… _______________________

  5. Chapter 8: Experiments • What is an experiment? • Characteristics of Experiments • ___________________________ of Participants • Why is this so important? • By doing this, we assume that the groups are __________________________________________. • Therefore, differences after the treatment must be caused by ________________________. • Laboratory setting • Why is this important?

  6. Chapter 8: Experiments • The Classical Experiment • The distinguishing characteristic is… • Variations… • In measurement • In design

  7. Chapter 8: Experiments • The Classical Experiment • Strengths • Limitations

  8. Chapter 8: Experiments • The Quasi-Experiment • The main difference is… • Strengths? • Weaknesses?

  9. Chapter 8: Experiments • The Field Experiment • The main difference is… • Strengths? • Weaknesses?

  10. Chapter 8: Experiments • Bias in Experiments • Sources of Bias • Avoiding Bias

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