ANOVA

In this discussion, you will evaluate a research question and determine how that question might best be analyzed. To do this, you will need to identify the appropriate application of course specified statistical tests, examine assumptions and limitations of course specified statistical tests, and communicate in writing critiques of statistical tests.

A researcher wishes to study the effect of a new drug on blood pressure. Consider and discuss the following questions as you respond:

Would you recommend using a z-test, a t-test, or an ANOVA for the analysis? Explain your answer.

What would your choice of test depend on? For the test you select, explain your design and your comparison groups.

Would the hypothesis be directional or non-directional?

Would the test be one-tailed or two-tailed?

What would be the null and what would be the alternative hypothesis?

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Post-Implementation Evaluations can prove to be quite an effective tool, in determining if the deployed system fulfills the needs (requirements) that were anticipated by the user community. In addition, the evaluation verifies whether (or not) the system produces the anticipated benefits. Using the requirements that were established, the evaluation includes feedback in the following areas:

1. Accuracy, completeness, and timeliness of the IS output

2. User satisfaction

3. System reliability and maintainability

4. Adequacy of system controls and security measures

5. Hardware efficiency and platform performance

6. Performance of the IT team (analysis, engineering, programmers, etc.)

7. Completeness and quality of documentation

8. Quality and effectiveness of training

9. Accuracy of cost-benefit estimates

10. Accuracy of development and implementation schedules

Your Assignment (as a response to this topic): Select three (3) of the evaluation areas listed, and, in your own words, explain why this information would serve as important feedback to the systems analyst, as well as the project manager and his or her support staff. Be concise in your response; give examples, and cite your resources.

 

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