EDU 6304

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EDU 6304

• Where Are We?

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Introduction

• One of the necessary conditions for effective
  disciplined inquiry, especially action research,
  is the knowledge and skill of using statistical
  tools appropriately and effectively
• Please draw on your previous course work in this
  program to address the following questions

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Levels of Measurement

• What are the four levels of measurement?
• What do they have to do with the selection of an
  appropriate statistical tool?

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Z-Score

• What is a Z-score?
• What is it used for?
• Why is it created?

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t-Test

• What is a t-test and what does it do?
• What are the assumptions for using it
  appropriately?
• What is the difference between an independent and
  paired sample t-test?
• What is the difference between a one tailed and a
  two-tailed test and what if any connection do
  they have to your research question?

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Mann-Whitney U Test

• What is the Mann-Whitney U Test?
• When is it appropriate to use it?

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Wilcoxon Test

• What is the Wilcoxon Test?
• When is it appropriate to use it?

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Chi-Square

• What is the chi-square test of independence?
• When is it appropriate to use it?

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Homogeneity of Variance

• What is it?
• How is it related to comparing two different
  groups?

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Assignment

• Please use all the resources available to you
  textbooks, notes, classmates, librarians, and
  former instructors to answer the questions in
  this presentation in a Microsoft Word file and
  submit that file to the assignment link in your
  lesson section of BlackBoard?
• We will use the discussion of the results to help
  guide our work together this summer