# Assignment 2: Prospectus Project Task VIII

| February 21, 2019

Planning Multiple Regression Analysis

Given the variables you have identified in the hypothetical SPSS database of your research project, consider posing a question for your study that would be compatible with the use of a multiple regression analysis of selected data.

For this assignment, prepare a response which includes the following:

• Identify two or more predictor variables and one criterion variable from your variables that would fit the requirements for a multiple regression analysis. Describe how you might create new variables if you don’t have exactly what you would need to do this type of analysis.
• State your research question concerning relationships compatible with your selected predictor and criterion variables.
• Elaborate on your design for using multiple regression analysis in your study. Describe and justify the methods you propose for each of the following (discuss any possible concerns or limitations in the proposed methods):
• Determining sufficient sample size: Specify considerations for selected alpha level, desired power, desired effect size, and validation checks you may plan.
• Selecting a sample: How would you ensure representativeness?
• Performing statistical analysis: Include the method to be used and validation checks.
• Screening data and evaluating assumptions: Are any data transformations or modifications required? If yes, describe.
• Interpreting outcomes in relation to stated hypothesis(es).

Write your response in Microsoft Word. Name the file R7034_M5_A2_LastName_FirstInitial.doc and submit it to the Discussion Area by the due date assigned.

Through the end of the module, review your partner’s research question description and design for using a multiple regression analysis. Post a response addressing the following points:

• What are the challenges and strengths in your partner’s design?
• How does the design promote sample representativeness?
• What are your thoughts about the proposed sample size?

All written assignments and responses should follow APA rules for attributing sources.

Assignment 2 Grading CriteriaMaximum PointsAccurately identified appropriate predictor and criterion variables.8Accurately identified and clearly described a research question for the design.8Determined a procedure for planning a sample size appropriate to the scope of the study and alpha level.8Determined a procedure for sample selection consistent with the underlying assumptions of representativeness.8Identified and clearly described any concerns and limitations in the plan.8Accurately identified and logically justified the regression method to be used and described a technique for validating the results.8Determined a procedure for data screening and evaluation of assumptions.8Identified and clearly described any data transformations or modifications required.8Justified the method for interpreting outcomes in relation to the stated hypothesis(es).8Evaluated and critiqued your partner’s plans, indicating strengths and limitations in design, sample size, and sample selection.16Wrote in a clear, concise, and organized manner; demonstrated ethical scholarship in accurate representation and attribution of sources, displayed accurate spelling, grammar, and punctuation..4Total:92

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