One-Tailed Vs. Two-Tailed Tests: Differences & Examples - Quiz & Worksheet


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A civil engineer is trying to prove that his new method of laying blocks is more effective than the traditional method. The engineer will conduct a:

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1. Why is a two-tailed test sometimes referred to as the non-directional hypothesis?

2. In statistical equations, probability is usually represented by _____.

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About This Quiz & Worksheet

This quiz and attached worksheet will help to gauge your understanding of one-tailed versus two-tailed tests. Topics you will need to know in order to pass the quiz include the theories of random chance and what is known as statistically significant, with regard to psychological research.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

  • Understand a one-tailed test
  • Contrast and compare two-tailed and non-directional hypothesis
  • One side of the bell curve
  • Appropriateness of the one-tailed test

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related one-tailed versus two-tailed tests lesson
  • Critical thinking - apply relevant concepts to examine information about one side of a bell curve in a different light
  • Knowledge application - use your knowledge to answer questions about the non directional hypothesis

Additional Learning

You should also read the lesson called One-Tailed Vs. Two-Tailed Tests: Differences & Examples. It covers the following topics:

  • Identify and understand significance or what is statistically significant
  • Define random chance
  • Apply the theories of a two-tailed test
  • Apply the theories of a one-tailed test
  • Define appropriateness