6.7 - Lesson 6 Summary


Upon successful completion of this lesson, you should be able to:

  • Identify Type I and Type II errors
  • Select an appropriate significance level (i.e., \(\alpha\) level) for a given scenario
  • Explain the problems associated with conducting multiple tests
  • Interpret the results of a hypothesis test in terms of practical significance
  • Distinguish between practical significance and statistical significance
  • Explain how changing different aspects of a research study would change the statistical power of the tests conducted
  • Compare and contrast confidence intervals and hypothesis tests