CWU Measurement Error and Reliability Questions

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Part 1: Once you go through Ch. 4 (Book file attached), please answer the following questions.

1. Explain the difference between systematic measurement error (bias) and random measurement error (Noise).
2. Explain the difference between reliability and validity.
3. Answer question 4.5 on Page 151
4. Answer question 4.9 on Page 152
5. Interpret in your own words “Table 1 – Correlations between variables” on page 81 of the case, “545 Article for Assignment” (file attached. This article starts at page 74, so Table 1 is on page 81)

Part 2: The following are challenging questions. Do your best. I am looking for quality/effort in your analysis, not perfection.

1. What are systematic measurement errors and random measurement errors in research on job satisfaction?
2. Give three examples of questions and their nominal measurements for research on job satisfaction.
3. Give three examples of questions and their ordinal measurement for research on job satisfaction.
4. Explain the dummy variable. Then, give five examples of dummy variables in research on job satisfaction.