Quantitative Experimental Design to a Research Problem

Identify a recent research article within your topic of interest that reflects use of an experimental design approach. Write a paper in which you identify the exact design used, and then analyze the following:

Was the design chosen appropriate, given the purpose of the study and the research questions?
What were the variables (independent, dependent, confounding/intervening)?
How did the researcher control for intervening variables? By design or through application of statistics?
How did the researchers assign participants to the different groups?
What statistical tests were used and were they applied appropriately? Why/why not?
Then, revise the problem and purpose statements you developed in Week 4 so they can be researched using an experimental design approach. Write one research question with associated hypotheses. Be sure to name and define all your variables and their types (nominal, ordinal, interval, or ratio). Explain how you would design an experiment to answer the research question and test hypotheses, and then justify your approach. Use the typology from Creswell (2014, pp. 171-174) to label your design, and explain the threats to internal and external validity in your study, and how you plan to mitigate those. End your discussion by explaining how you plan to collect and analyze data, including which statistical tests you think are appropriate, given the types of variables involved.

Length: 3-4 pages, not including title page and references

Support your paper with at least five scholarly resources. In addition to these specified resources, other appropriate scholarly resources, including older articles, may be included.

Your paper should demonstrate thoughtful consideration of the ideas and concepts presented in the course by providing new thoughts and insights relating directly to this topic. Your response should reflect scholarly writing and current APA standards.

 

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