Assignment: Working With Inferential Statistics

Assignment: Working With Inferential Statistics

Assignment: Working With Inferential Statistics

Assessment Description

This topic helps you develop a basic understanding of statistics. Two distinct types of statistics are addressed: descriptive and inferential. In this assignment, you will have another opportunity to use the SPSS program. SPSS makes it easy to analyze data using specific tests. This assignment will give you practice with t-tests, ANOVA, and communicating your results through a written summary.

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General Requirements:

Use the following information to ensure successful completion of the assignment:

Before beginning this assignment, be sure to view the tutorial videos located in the topic Resources.

View the “Working With Inferential Statistics” tutorial, located in the DNP-830A folder of the DNP PI Workspace.

Refer to the “Sample Analysis of Variance (ANOVA) Table” and “Sample Results of Several t Tests Table” in the topic Resources, as needed, to complete the table using APA style.

Doctoral learners are required to use APA style for their writing assignments. The APA Style Guide is located in the Student Success Center.

This assignment uses a rubric. Review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are not required to submit this assignment to LopesWrite.

Learners will submit this assignment using the assignment dropbox in the digital classroom. In addition, learners must upload this deliverable to the Learner Dissertation Page (LDP) in the DNP PI Workspace for later use.

Directions:

Prior to beginning this assignment, complete the assigned readings and view the assigned videos. Using the data provided on the “HCUP State Inpatient Databases (SID) File Composition – Number of Discharges by Year” webpage, located in the topic Resources, conduct the appropriate statistical test in SPSS to address the following:

Describe the mean, standard deviation, and range of discharges in 2019.

Compare the number of discharges in 2019 in all states by region using an ANOVA. Are there significantly more discharges? Describe the assumption of variance between groups and within groups? Create a table of your results using APA style and attach as an appendix to your paper. Western States (Washington, Oregon, Idaho, Montana, Wyoming, California, Nevada, Utah, Arizona, New Mexico, Colorado Alaska, Hawaii); Mid-Western States (North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin, Illinois, Indiana, Michigan, Ohio); Southern States (Maryland, Washington D.C, West Virginia, Virginia, Kentucky, North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, Oklahoma, Texas); Northeastern States (Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware).

Compare the number of discharges in all states between 2012 and 2019 using a paired t-test. Are there significantly more discharges in 2019 versus 2012? Describe the assumption of a paired samples t-test. Create a table for your results using APA style and attach as an appendix.

Write a 500–750-word summary of your results.

Attach your SPSS statistical outputs as an appendix to your paper.

Portfolio Practice Immersion Hours:

It may be possible to earn portfolio practice immersion hours for this assignment. Enter the following after the References section of your paper:

Practice Immersion Hours Completion Statement DNP-830A

I, (INSERT NAME), verify that I have completed and logged (NUMBER OF) clock minutes/hours in association with the goals and objectives for this assignment. I also have tracked said practice immersion hours in the Lopes Activity Tracker for verification purposes and will be sure that all approvals are in place from my faculty and practice immersion preceptor/mentor before the end of the course.

Working With Inferential Statistics – Rubric

LISTGRID

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Rubric Criteria

Total110 points

Criterion

1. Unsatisfactory

2. Insufficient

3. Approaching

4. Acceptable

5. Target

Mean, Standard Deviation, and Range

Description of mean, standard deviation, and range of discharges in 2019.
0 points

The description for the mean, standard deviation, and range of discharges in 2019 is omitted.
13.2 points

The description for the mean, standard deviation, and range of discharges in 2019 is included but is incorrect.

14.52 points

NA
15.18 points

NA
16.5 points

The mean, standard deviation, and range of discharges in 2019 are clearly and accurately described.

ANOVA Table

Comparison of number of discharges in all states by region. ANOVA table attached in appendices of paper.
0 points

A comparison of number of discharges in all states by region using an ANOVA table is omitted.
13.2 points

An ANOVA table is presented, but the table does not show a complete or accurate comparison of the discharges in all states by region. The table is included but is not attached in the appendices of the paper.

14.52 points

NA
15.18 points

NA
16.5 points

A comparison of number of discharges in all states by region is clearly and accurately presented in an ANOVA table. The table is attached in the appendices of the paper.

T-Test

Comparison number of discharges in all states between 2012 and 2019. t-test attached in appendices of paper.
0 points

The comparison number of discharges in all states between 2012 and 2019 using a t-test is omitted.
13.2 points

A description is presented but does not accurately compare the number of discharges in all states between 2012 and 2019. There are major omissions or inaccuracies. The t-test is included but is not attached in the appendices of the paper.
14.52 points

NA
15.18 points

NA
16.5 points

A comparison of number of discharges in all states by region is clearly and accurately presented in a t-test. The t-test is attached in the appendices of the paper.

Summary of Results

Summary of Results
0 points

A summary of the results is not included.
13.2 points

A summary of the results is incomplete. There are significant inaccuracies.
14.52 points

A summary of the results is included. Some aspects are unclear. There are minor inaccuracies.
15.18 points

A summary of the results is complete and adequate.
16.5 points

A summary of the results is accurate and detailed.

SPSS Statistical Output

Statistical output attached is in appendices of paper.
0 points

Output from the statistical analysis is not included.
8.8 points

Output from the statistical analysis is incomplete or incorrect. The SPSS output is included but is not attached in the appendices of the paper.

9.68 points

NA
10.12 points

NA

11 points

The SPSS statistical analysis output is complete and correct. The SPSS output is attached in the appendices of the paper.

Thesis, Position, or Purpose

for writing and demonstrates awareness of audience
0 points

The thesis, position, or purpose is not discernible. No awareness of the appropriate audience is evident.
4.4 points

The thesis, position, or purpose is discernable in most aspects but is occasionally weak or unclear. There is limited awareness of the appropriate audience.
4.84 points

The thesis, position, or purpose is adequately developed. An awareness of the appropriate audience is demonstrated.

5.06 points

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The thesis, position, or purpose is clearly communicated throughout and clearly directed to a specific audience.

5.5 points

The thesis, position, or purpose is persuasively developed throughout and skillfully directed to a specific audience.

Development, Structure, and Conclusion

Advances position or purpose throughout writing; conclusion aligns to and evolves from development.
0 points

No advancement of the thesis, position, or purpose is evident. Connections between paragraphs are missing or inappropriate. No conclusion is offered.
4.4 points

Limited advancement of thesis, position, or purpose is discernable. There are inconsistencies in organization or the relationship of ideas. Conclusion is simplistic and not fully aligned to the development of the purpose.

4.84 points

The thesis, position, or purpose is advanced in most aspects. Ideas clearly build on each other. Conclusion aligns to the development of the purpose.

5.06 points

The thesis, position, or purpose is logically advanced throughout. The progression of ideas is coherent and unified. A clear and plausible conclusion aligns to the development of the purpose.
5.5 points

The thesis, position, or purpose is coherently and cohesively advanced throughout. The progression of ideas is coherent and unified. A convincing and unambiguous conclusion aligns to the development of the purpose.

Evidence

Selects and integrates evidence to support and advance position/purpose; considers other perspectives.
0 points

Evidence to support the thesis, position, or purpose is absent. The writing relies entirely on the perspective of the writer.
4.4 points

Evidence is used but is insufficient or of limited relevance. Simplistic explanation or integration of other perspectives is present.
4.84 points

Relevant evidence that includes other perspectives is used.
5.06 points

Specific and appropriate evidence is included. Other perspectives are integrated.
5.5 points

Comprehensive and compelling evidence is included. Multiple other perspectives are integrated effectively.

Mechanics of Writing

Includes spelling, capitalization, punctuation, grammar, language use, sentence structure, etc.
0 points

Errors in grammar or syntax are pervasive and impede meaning. Incorrect language choice or sentence structure errors are found throughout.
7.04 points

Frequent and repetitive mechanical errors are present. Inconsistencies in language choice or sentence structure are recurrent.

7.74 points

Occasional mechanical errors are present. Language choice is generally appropriate. Varied sentence structure is attempted.

8.1 points

Few mechanical errors are present. Suitable language choice and sentence structure are used.
8.8 points

No mechanical errors are present. Skilled control of language choice and sentence structure are used throughout.

Format/Documentation

Uses appropriate style, such as APA, MLA, etc., for college, subject, and level; documents sources using citations, footnotes, references, bibliography, etc., appropriate to assignment and discipline.
0 points

Appropriate format is not used. No documentation of sources is provided.
6.16 points

Appropriate format is attempted, but some elements are missing. Frequent errors in documentation of sources are evident.

6.78 points

Appropriate format and documentation are used, although there are some obvious errors.

7.08 points

Appropriate format and documentation are used with only minor errors.
7.7 points

No errors in formatting or documentation are present. Selectivity in the use of direct quotations and synthesis of sources is demonstrated.