BUSI 820 B02 Week 4 – 2.Quantitative Analysis: Evidence for Reliability and Validity
Week 4 – Demonstrating Reliability and Validity
2. Quantitative Analysis: Evidence for Reliability and Validity
SPSS Questions
Chapter 6
Using the ChapterSixData.sav file, do the following problems. Print your outputs after typing your interpretation on them. Please circle the key parts of the output that you discuss.
Use the information in the appropriate “Output Interpretation†and “How to Write†sections.
6.1 Compute Cohen’s kappa to assess reliability using Rater 1 and Rater 2. Interpret your output as in Output 6.1 by writing an explanatory paragraph as you would in the method section of an article or paper.
6.2 Compute interrater reliability by running a paired t-test for the essay score 1 with the essay score 2. Interpret your output following the guide in the Interpretation of Output 6.2. Write up your results for this analysis as you would in the method section of an article or paper.
6.3 Run an Exploratory Factor Analysis using the extraction method of principal axis factoring as demonstrated in Problem 6.3. Run the factor analysis on the 13 items related to stress. In the extraction window (see Fig. 6.7), request “fixed number of factors to extract†as 2. Study your output using the Interpretation of Output
6.3, make a table and write up your results as you would for an article or paper.
6.4 Run Cronbach’s alpha for the five happiness scale items from the Chapter Six data file.
Follow the procedures outlined in Problem 6.4. Write up an explanation of your resulting Cronbach’s alpha finding as you would in an article or paper.
Make Sure to:
1. Attach your word document for review and grading. Other file formats are not accepted and will not be graded. Use the following filename format:
LastName_BUSI820_AssignmentX.docx
2. Include an APA title block with your name, class title, date, and the assignment number.
3. Include a table of contents and a reference section. Number your pages in the footer along with the date. Include a header starting on page 2 with the Course and assignment number.
4. Write the problem number and the problem title as a level one heading (Example †A.1.1: Chapter 2, Problem 2.1, and then provide your response.
5. Use level two headings with short titles for multi part questions (Example †A1.1.a, Short Title, A1.1.b, Short Title II, etc.)
6. Use appropriate level headings for key elements of your discussion such as Research Questions, Hypotheses, Descriptive Statistics, Assumptions & Conditions, Interpretation, Results, and others. Your goal is to make your analysis easy to follow and logical.
7. Ensure that all tables and graphs are legible and include a figure number.
8. Carefully review your document prior to submission for formatting, flow, and
readability. Keep in mind that running the statistical tests is only the first half of the challenge; you must be able to clearly communicate your findings to the reader.
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