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Week 5 DQ

Creating a Statistical Research Plan

Throughout the course, you were asked to discuss research questions from your professional life or research interests that can be tested with statistics. In this capstone discussion, reflect on your thought process regarding the use of parametric and nonparametric statistics in psychological research. Articulate the challenges you might face in writing a Capella Research Plan for a quantitative dissertation. What is a research question you would study, and what statistical procedure(s) would you likely use to test your research question? How do you see this quantitative study contributing to psychological theory and in terms of practical applications?

Response Guidelines

Reply to two or more of your peers by 5:00 PM CST on Friday. Supplement and extend consideration of the topic by including one of more of the following: new information, questions, constructive or corrective feedback, or alternative viewpoints.

Week 5 Assignment

Journal Article Assignment

Complete this assignment using the DAA template.

Step 1. Locate a scholarly journal article in the Capella University Library, preferably in your career specialization, that reports quantitative statistics. Although the article does not have to be based on a true experiment, it should report either a factorial ANOVA, a repeated measures ANOVA, multiple regression, dummy coded regression, or chi square.

Step 2. Write Section 1 of the DAA. Provide a context of the journal article. Include a definition of the specified variables and corresponding scales of measurement. Specify the sample size of the data set. If applicable, discuss why the journal article is relevant to your career specialization.

Step 3. Write Section 2 of the DAA. Discuss the assumptions of the statistical test used in the journal article. If possible, identify information in the article that indicates how these assumptions were tested. If no information on assumptions is provided, consider this as a limitation of the reported study.

Step 4. Write Section 3 of the DAA. Specify a research question related to the journal article. Articulate the null hypothesis and alternative hypothesis. Specify the alpha level if it is provided in the article.

Step 5. Write section 4 of the DAA. Report the results of the statistical test using proper APA guidelines. This includes the statistical notation (e.g., F, b coefficient, χ2), the degrees of freedom, the statistical value of F, b coefficient, χ2, and the p¬-value. Also report the effect size and interpretation if one is provided. Interpret the test statistic against the null hypothesis.

Step 6. Write Section 5 of the DAA. Discuss the conclusions of the statistical test as it relates to the research question. Conclude with an analysis of the strengths and limitations of the study reported in the journal article.

Remember that if you either paraphrase or use quotations from the article, you must cite and reference the passage. Be sure to follow APA (6th edition) style and formatting guidelines, using the link in the Resources for guidance.

Submit your assignment as an attached Word document. This assignment is due on Friday of Week 10 at 5 PM CST.

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