Capella University Yoga and Stress Study Statistical Tests Analyzing Healthcare Essay

Capella University Yoga and Stress Study Statistical Tests Analyzing Healthcare Essay

Question Description
For this assessment, you will determine the relevant statistical tests to apply to the analysis of a data set, and then write a 3–4 page interpretation of the results of your analysis.

This assessment will ask you to select, apply, and interpret the results of a variety of statistical tests on a health care data set. This may include tests you have learned about or applied previously in the course, or the new nonparametic t-Test which is presented in the resources for this assessment. The challenge is using what you have learned to determine the best course of action to complete the interpretative tasks the assessment lays out for you. This attempts to mirror real-world situations where the data or statistical analysis could be approached in a variety of different ways. To decide which statistical test to use for the various dependent variables to be analyzed, one must first know more about the data type (measurement level) within those variables.

OVERVIEW
Public health researchers are often involved in collaborating in the design, development, and analysis of community initiatives of varying complexity. While this course alone will not provide sufficient training for you to act as a statistical consultant, it does offer a broad and practice-based analytic foundation that can position you to better understand and more fully contribute to real-world project teams. Building on the basic statistical concepts and analytical techniques of the previous units, this assessment is an opportunity to use your cumulative quantitative-analysis skills to address a broad set of real-world research questions.

DEMONSTRATION OF PROFICIENCY
By successfully completing this assessment you will address the following scoring guide criteria, which align to the indicated course competencies.

Competency 2: Apply appropriate statistical methods using common software tools in the collection and evaluation of health care data.
Perform the most appropriate parametric or nonparametric test to answer each question.
Competency 3: Interpret the results and practical significance of statistical health care data analyses.
Assess the assumption of normal distribution prior to analysis.
Appropriately interpret the statistical output (such as estimate, p-value, confidence interval, and effect size) resulting from each statistical test.
Summarize the clinical implications, significance, and potential limitations of the study data and outcomes.
Competency 4: Assess the quality of quantitative research methods reported in peer-reviewed health care literature.
Describe the practical significance of the results of statistical tests.
Competency 5: Address assignment purpose in a well-organized text, incorporating appropriate evidence and tone in grammatically sound sentences.
Articulate meaning relevant to the main topic, scope, and purpose of the prompt.
Apply APA formatting to in-text citations and references.
INSTRUCTIONS
Complete the following for this two-part assessment.

Software
The following statistical analysis software is required to complete your assessments in this course:

IBM SPSS Statistics Standard or Premium GradPack, version 22 or higher, for PC or Mac.
You have access to the more robust IBM SPSS Statistics Premium GradPack.

Please refer to the Statistical Software page on Campus for general information on SPSS software, including the most recent version made available to Capella learners.

Part 1: Yoga and Stress Study Statistical Tests
Use the Yoga Stress (PSS) Study Data Set [XLSX] to determine the measurement level of data of the dependent or outcome variable (Psychological Stress Score) you are analyzing.
Is the data categorical, ordinal, or interval or ratio?
Before performing any statistical tests, you must determine which tests would be most appropriate for your data type.
Perform a preevaluation of the data for outliers (all variables) and normal distribution (only dependent variables) as you have done previously.
Use How to Choose a Statistical Test [PPTX] as general guidance in helping you to decide which test to use.
Use the readings, media, resources, and textbook as guides to perform an analysis of the selected variables.
Perform and interpret an appropriate series of statistical tests (including preanalytical testing for outliers and normal distribution of data) that answer the following research questions:
How would you quantitatively describe the study population?
Summarize the primary demographic data using descriptive statistics.
Is there any association between gender and race in this military study?
Perform an appropriate chi-square analysis.
Perform preliminary assessment of the data, then compare pretest to post-test scores.
In total population being studied, what was the effect of the yoga intervention on stress?
Provide the SPSS “.sav” output file that shows your programming and results for this assessment.
Part 2: Interpretive Report
Summarize the clinical implications related to the statistical outcomes for each of the questions above.
Describe potential limitations of the study (Part 1, number 3).
ADDITIONAL REQUIREMENTS
Length: Your paper will be 3–4 typed, double-spaced pages of content plus title and reference pages.
Font: Times New Roman, 12 points.
APA Format: Your title and reference pages must conform to APA format and style guidelines. See the APA Module for more information. The body of your paper does not need to conform to APA guidelines. Do make sure that it is clear, persuasive, organized, and well written, without grammatical, punctuation, or spelling errors. You also must cite your sources according to APA guidelines.
Refer to the helpful links in Resources as you prepare your assessment.

Please review the assessment scoring guide before completing your submission. The requirements outlined above correspond to the grading criteria in the scoring guide, so be sure to address each point. In addition, you may want to review the performance-level descriptions for each criterion to see how your work will be assessed.

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You must proofread your paper. But do not strictly rely on your computer’s spell-checker and grammar-checker; failure to do so indicates a lack of effort on your part and you can expect your grade to suffer accordingly. Papers with numerous misspelled words and grammatical mistakes will be penalized. Read over your paper – in silence and then aloud – before handing it in and make corrections as necessary. Often it is advantageous to have a friend proofread your paper for obvious errors. Handwritten corrections are preferable to uncorrected mistakes.

Use a standard 10 to 12 point (10 to 12 characters per inch) typeface. Smaller or compressed type and papers with small margins or single-spacing are hard to read. It is better to let your essay run over the recommended number of pages than to try to compress it into fewer pages.

Likewise, large type, large margins, large indentations, triple-spacing, increased leading (space between lines), increased kerning (space between letters), and any other such attempts at “padding” to increase the length of a paper are unacceptable, wasteful of trees, and will not fool your professor.

The paper must be neatly formatted, double-spaced with a one-inch margin on the top, bottom, and sides of each page. When submitting hard copy, be sure to use white paper and print out using dark ink. If it is hard to read your essay, it will also be hard to follow your argument.

ADDITIONAL INSTRUCTIONS FOR THE CLASS

Discussion Questions (DQ)

Initial responses to the DQ should address all components of the questions asked, include a minimum of one scholarly source, and be at least 250 words.
Successful responses are substantive (i.e., add something new to the discussion, engage others in the discussion, well-developed idea) and include at least one scholarly source.
One or two sentence responses, simple statements of agreement or “good post,” and responses that are off-topic will not count as substantive. Substantive responses should be at least 150 words.
I encourage you to incorporate the readings from the week (as applicable) into your responses.
Weekly Participation

Your initial responses to the mandatory DQ do not count toward participation and are graded separately.
In addition to the DQ responses, you must post at least one reply to peers (or me) on three separate days, for a total of three replies.
Participation posts do not require a scholarly source/citation (unless you cite someone else’s work).
Part of your weekly participation includes viewing the weekly announcement and attesting to watching it in the comments. These announcements are made to ensure you understand everything that is due during the week.
APA Format and Writing Quality

Familiarize yourself with APA format and practice using it correctly. It is used for most writing assignments for your degree. Visit the Writing Center in the Student Success Center, under the Resources tab in LoudCloud for APA paper templates, citation examples, tips, etc. Points will be deducted for poor use of APA format or absence of APA format (if required).
Cite all sources of information! When in doubt, cite the source. Paraphrasing also requires a citation.
I highly recommend using the APA Publication Manual, 6th edition.
Use of Direct Quotes

I discourage overutilization of direct quotes in DQs and assignments at the Masters’ level and deduct points accordingly.
As Masters’ level students, it is important that you be able to critically analyze and interpret information from journal articles and other resources. Simply restating someone else’s words does not demonstrate an understanding of the content or critical analysis of the content.
It is best to paraphrase content and cite your source.
LopesWrite Policy

For assignments that need to be submitted to LopesWrite, please be sure you have received your report and Similarity Index (SI) percentage BEFORE you do a “final submit” to me.
Once you have received your report, please review it. This report will show you grammatical, punctuation, and spelling errors that can easily be fixed. Take the extra few minutes to review instead of getting counted off for these mistakes.
Review your similarities. Did you forget to cite something? Did you not paraphrase well enough? Is your paper made up of someone else’s thoughts more than your own?
Visit the Writing Center in the Student Success Center, under the Resources tab in LoudCloud for tips on improving your paper and SI score.
Late Policy

The university’s policy on late assignments is 10% penalty PER DAY LATE. This also applies to late DQ replies.
Please communicate with me if you anticipate having to submit an assignment late. I am happy to be flexible, with advance notice. We may be able to work out an extension based on extenuating circumstances.
If you do not communicate with me before submitting an assignment late, the GCU late policy will be in effect.
I do not accept assignments that are two or more weeks late unless we have worked out an extension.
As per policy, no assignments are accepted after the last day of class. Any assignment submitted after midnight on the last day of class will not be accepted for grading.
Communication

Communication is so very important. There are multiple ways to communicate with me:
Questions to Instructor Forum: This is a great place to ask course content or assignment questions. If you have a question, there is a good chance one of your peers does as well. This is a public forum for the class.
Individual Forum: This is a private forum to ask me questions or send me messages. This will be checked at least once every 24 hours.