NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN

NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN

NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN

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Week 5: Quantitative Analysis and Interpretation: t-Test and ANOVA

Statistics provide a variety of information that can shape healthcare. Statistics can indicate disparity in care, effectiveness of treatments plans, and predict future outcomes. As a future DNP-prepared nurse, understanding how to analyze and interpret statistics will provide you the opportunity to utilize research in directing patient care and implementing procedures to ultimately improve patient success.

When comparing patients, treatment methods, or healthcare practices, it will be important to consider differences amongst groups. Statistics give us the opportunity to explore and determine these differences to properly analyze the data, make recommendations, or determine treatment options. As a DNP-prepared nurse, using statistics to determine differences may assist you in making the best decisions for your patients and practice.

This week, you will examine the use of inferential statistics in research. You will also consider the strengths and weaknesses of using both t-tests and ANOVA.

Learning Objectives

Students will:

  • Analyze the use of t-tests, ANOVA, and inferential statistics in research and evidence-based practice
  • Evaluate strengths and weaknesses of inferential statistics in supporting evidence-based practice
  • Interpret results and output from t-tests and ANOVA
  • Summarize ANOVA Statistics

Learning Resources

Required Readings (click to expand/reduce)

 

Gray, J. R., & Grove, S. K. (2020). Burns and Grove’s the practice of nursing research: Appraisal, synthesis, and generation of evidence (9th ed.). Elsevier.

  • Chapter 25, “Using Statistics to Determine Differences” (pp. 687–698)

Donovan, L. M., & Payne, C. L. (2021). Organizational commitment of nurse faculty teaching in accelerated baccalaureate nursing programs. Nursing Education Perspectives, 42(2), 81–86. doi:10.1097/01.NEP.0000000000000764

Gray, J. A., & Kim, J. (2020). Palliative care needs of direct care workers caring for people with intellectual and developmental disabilities. British Journal of Learning Disabilities, 48(1), 69–77. doi:10.1111/bld.12318

Hilvert, E., Hoover, J., Sterling, A., & Schroeder, S. (2020). Comparing tense and agreement productivity in boys with fragile X syndrome, children with developmental language disorder, and children with typical development. Journal of Speech, Language and Hearing Research, 63(4), 1181–1194. doi:10.1044/2019_JSLHR-19-00022  

Document: Week 5 ANOVA Exercises SPSS Output (PDF)

 

Discussion: t-Tests and ANOVA in Clinical Practice

You are the DNP-prepared nurse responsible for overseeing staffing for the telehealth services provided at your practice. To determine the number of nurses that you might need for these services, you must determine how many patients might be interested in using the telehealth services versus the traditional clinical practice setting. For a week, you ask each patient visiting the practice his or her interest in setting up a visit via telehealth services. At the conclusion of the week, you use this data and reasoning to develop a statistic of the population interested in telehealth services. You have successfully used inferential statistics to help guide your decision-making for your practice.

Photo Credit: fizkes / Adobe Stock

The scenario outlined provides a random sampling and assumptions to develop a conclusion. With assumptions, and in this case, a small random sampling, this scenario is ripe with the possibility of error. However, how might inferential statistics be used in a valid and credible way?

The design of a study determines the validity of the results, and if done following appropriate techniques, inferential statistics can determine clear differences and help researchers to form conclusions. In your Discussion, you will focus on two forms of identifying differences in groups: t-tests and analysis of variance (ANOVA).

For this Discussion, review the Learning Resources and reflect on a healthcare issue of interest to find a research article in which to analyze the use of inferential statistical analysis. Reflect on how the study was comprised, the validity of the findings, and whether or not it increased the study’s application to EBP

To Prepare:

NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN
NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN
  • Consider some of the important issues in healthcare delivery or nursing practice today. Bring to mind the topics to which you have been exposed through previous courses in your program of study, as well as any news items that have caught your attention recently. Select one topic to focus on for this Discussion.
  • Review journal, newspaper, and/or internet articles that may provide credible information on your selected topic. Then, select one research article to focus on for this Discussion that used inferential statistical analysis (either a t-test or ANOVA) to study the topic.
  • With information from the Learning Resources in mind, evaluate the purpose and value of the research study discussed in your selected article and consider the following questions:
    • Who comprised the sample in this study?
    • What were the sources of data?
    • What inferential statistic was used to analyze the data collected (t-test or ANOVA)?
    • What were the findings?
  • Ask yourself: How did using an inferential statistic bring value to the research study? Did it increase the study’s application to evidence-based practice?

By Day 3 of Week 5

Post a brief description of the topic that you selected for this Discussion. Summarize the study discussed in your selected research article and provide a complete APA citation. Be sure to include a summary of the sample studied, data sources, inferential statistic(s) used, and associated findings. Then, evaluate the purpose and value of this particular research study to the topic. Did using inferential statistics strengthen or weaken the study’s application to evidence-based practice? Why or why not? Be specific and provide examples.

By Day 6 of Week 5

Read a selection of your colleagues’ responses and respond to at least two of your colleagues on two different days in one or more of the following ways:

  • Ask a probing question, substantiated with additional background information, evidence, or research.
  • Share an insight from having read your colleagues’ postings, synthesizing the information to provide new perspectives.
  • Offer and support an alternative perspective using readings from the classroom or from your own research in the Walden Library.
  • Validate an idea with your own experience and additional research.
  • Suggest an alternative perspective based on additional evidence drawn from readings or after synthesizing multiple postings.
  • Expand on your colleagues’ postings by providing additional insights or contrasting perspectives based on readings and evidence.

Submission and Grading Information

Grading Criteria

To access your rubric:

Week 5 Discussion Rubric

 

Post by Day 3 of Week 5 and Respond by Day 6 of Week 5

To Participate in this Discussion:

Week 5 Discussion

 

Assignment: t-Tests and ANOVA

You are a DNP-Prepared nurse tasked with evaluating patient care at your practice compared to patient care at affiliated practices. You have noticed that a key complaint from your patients concerns the wait times associated with each patient visit. Based on these complaints, you have decided to compare the wait times at your practice to the wait times at affiliated practices. After recording the wait times at each practice, for 50 individual patients at each practice, you are now prepared to analyze your data. What approach will you use to analyze the data?

Photo Credit: Dave and Les Jacobs / Blend Images / Getty Images

In the scenario provided, you might decide to use, the Analysis of Variance (ANOVA) approach.  “ANOVA is a statistical procedure that compares data between two or more groups or conditions to investigate the presence of differences between those groups on some continuous dependent variable” (Gray & Grove, 2020). ANOVA is often a recommended statistical technique, as it has low chance of error for determining differences between three or more groups.

For this Assignment, analyze the ANOVA statistics provided in the ANOVA Exercises SPSS Output document. Examine the results to determine the differences and reflect on how you would interpret these results.

Reference: Gray, J. R., & Grove, S. K. (2020). Burns and Grove’s the practice of nursing research: Appraisal, synthesis, and generation of evidence (9th ed.). Elsevier.

To Prepare:

  • Review the Week 5 ANOVA Exercises SPSS Output provided in this week’s Learning Resources.
  • Review the Learning Resources on how to interpret ANOVA results to determine differences.
  • Consider the results presented in the SPSS output and reflect on how you might interpret the results presented.

The Assignment: (2–3 pages)

  • Summarize your interpretation of the ANOVA statistics provided in the Week 5 ANOVA Exercises SPSS Output document.
    • Note: Interpretation of the ANOVA output should include identification of the p-value to determine whether the differences between the group means are statistically significant.
    • Be sure to accurately evaluate each of the results presented (descriptives, ANOVA results, and multiple comparisons using post-hoc analysis)

Reminder: The College of Nursing requires that all papers submitted include a title page, introduction, summary, and references. The Sample Paper provided at the Walden Writing Center provides an example of those required elements (available at https://academicguides.waldenu.edu/writingcenter/templates/general#s-lg-box-20293632). All papers submitted must use this formatting.

By Day 7

Submit your Assignment by Day 7 of Week 5.

Submission and Grading Information

To submit your completed Assignment for review and grading, do the following:

  • Please save your Assignment using the naming convention “WK5Assgn+last name+first initial.(extension)” as the name.
  • Click the Week 5 Assignment Rubric to review the Grading Criteria for the Assignment.
  • Click the Week 5 Assignment link. You will also be able to “View Rubric” for grading criteria from this area.
  • Next, from the Attach File area, click on the Browse My Computer button. Find the document you saved as “WK5Assgn+last name+first initial.(extension)” and click Open.
  • If applicable: From the Plagiarism Tools area, click the checkbox for I agree to submit my paper(s) to the Global Reference Database.
  • Click on the Submit button to complete your submission.

Grading Criteria

To access your rubric:

Week 5 Assignment Rubric

Check Your Assignment Draft for Authenticity

To check your Assignment draft for authenticity:

Submit your Week 5 Assignment draft and review the originality report.

 

Submit Your Assignment by Day 7 of Week 5

To participate in this Assignment:

Week 5 Assignment

What’s Coming Up in Week 6?

Photo Credit: [BrianAJackson]/[iStock / Getty Images Plus]/Getty Images

Next week, you will continue your exploration of quantitative data. You will explore correlations and consider when it is best to utilize this statistical approach for quantifying relationships between variables.

Next Week

To go to the next week:

Week 6

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NURS 8201 Week 5 Assignment t-Tests and ANOVA WALDEN Grading Rubric

Performance Category 100% or highest level of performance

100%

16 points

 Very good or high level of performance

88%

14 points

 Acceptable level of performance

81%

13 points

 Inadequate demonstration of expectations

68%

11 points

 Deficient level of performance

56%

9 points

 

 Failing level

of performance

55% or less

0 points
 Total Points Possible= 50           16 Points    14 Points 13 Points        11 Points           9 Points          0 Points
Scholarliness

Demonstrates achievement of scholarly inquiry for professional and academic topics.

 Presentation of information was exceptional and included all of the following elements:

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information.
 Presentation of information was good, but was superficial in places and included all of the following elements:

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information.
 Presentation of information was minimally demonstrated in all of the following elements:

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information.
  

Presentation of information is unsatisfactory in one of the following elements:

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information.
  

Presentation of information is unsatisfactory in two of the following elements:

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information.
 Presentation of information is unsatisfactory in three or more of the following elements

  • Provides evidence of scholarly inquiry relevant to required TD topic(s).
  • Presents specific information from scholarly sources to develop a comprehensive presentation of facts.
  • Uses at least one outside scholarly reference that is relevant, less than 5 years old (use of older references requires instructor permission) and reliable for the required topic.*
  • Uses in-text citation and full reference at end of posting when presenting another person’s thoughts as quotes or paraphrase of information
 16 Points  14 Points  13 Points 11 Points 9 Points  0 Points
Application of Course Knowledge

Demonstrate the ability to analyze and apply principles, knowledge and information learned in the outside readings and relate them to real-life professional situations

 Presentation of information was exceptional and included all of the following elements:

  • Applies principles, knowledge and information from scholarly resources to the required topic.
  • Applies facts, principles or concepts learned from scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
 Presentation of information was good, but was superficial in places and included all of the following elements:

  • Applies principles, knowledge and information from scholarly resources to the required topic.
  • Applies facts, principles or concepts learned from scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
 Presentation of information was minimally demonstrated in the all of the following elements:

  • Applies principles, knowledge and information from scholarly resources to the required topic.
  • Applies facts, principles or concepts learned from scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
 Presentation of information is unsatisfactory in one of the following elements:

  • Applies principles, knowledge and information from scholarly resources to the required topic.
  • Applies facts, principles or concepts learned from and scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
 Presentation of information is unsatisfactory in two of the following elements:

  • Applies principles, knowledge and information from scholarly resources to the required topic.
  • Applies facts, principles or concepts learned from scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
 Presentation of information is unsatisfactory in three of the following elements

  • Applies principles, knowledge and information and scholarly resources to the required topic.
  • Applies facts, principles or concepts learned scholarly resources to a professional experience.
  • Application of information is comprehensive and specific to the required topic.
   10 Points 9 Points  6 Points  0 Points
Interactive Dialogue

Initial post should be a minimum of 300 words (references do not count toward word count)

The peer and instructor responses must be a minimum of 150 words each (references do not count toward word count)

Responses are substantive and relate to the topic.

 Demonstrated all of the following:

  • Initial post must be a minimum of 300 words.
  • The peer and instructor responses must be a minimum of 150 words each.
  • Responses are substantive
  • Responses are related to the topic of discussion.
 Demonstrated 3 of the following:

  • Initial post must be a minimum of 300 words.
  • The peer and instructor responses must be a minimum of 150 words each.
  • Responses are substantive
  • Responses are related to the topic of discussion.
 Demonstrated 2 of the following:

  • Initial post must be a minimum of 300 words.
  • The peer and instructor responses must be a minimum of 150 words each.
  • Responses are substantive
  • Responses are related to the topic of discussion.
 Demonstrated 1 or less of the following:

  • Initial post must be a minimum of 300 words.
  • The peer and instructor responses must be a minimum of 150 words each.
  • Responses are substantive
  • Responses are related to the topic of discussion.
  8 Points 7 Points  6 Points         5 Points          4 Points  0 Points
Grammar, Syntax, APA

Points deducted for improper grammar, syntax and APA style of writing.

The source of information is the APA Manual 6th Edition

Error is defined to be a unique APA error. Same type of error is only counted as one error.

 The following was present:

  • 0-3 errors in APA format

AND

  • Responses have 0-3 grammatical, spelling or punctuation errors

AND

  • Writing style is generally clear, focused on topic,and facilitates communication.
 The following was present:

  • 4-6 errors in APA format.

AND/OR

  • Responses have 4-5 grammatical, spelling or punctuation errors

AND/OR

  • Writing style is somewhat focused on topic.
 The following was present:

  • 7-9 errors in APA format.

AND/OR

  • Responses have 6-7 grammatical, spelling or punctuation errors

AND/OR

  • Writing style is slightly focused on topic making discussion difficult to understand.
  

The following was present:

  • 10- 12 errors in APA format

AND/OR

  • Responses have 8-9 grammatical, spelling and punctuation errors

AND/OR

  • Writing style is not focused on topic, making discussion difficult to understand.
  

The following was present:

  • 13 – 15 errors in APA format

AND/OR

  • Responses have 8-10 grammatical, spelling or punctuation errors

AND/OR

  • Writing style is not focused on topic, making discussion difficult to understand.

AND/OR

  • The student continues to make repeated mistakes in any of the above areas after written correction by the instructor.
 The following was present:

  • 16 to greater errors in APA format.

AND/OR

  • Responses have more than 10 grammatical, spelling or punctuation errors.

AND/OR

  • Writing style does not facilitate communication
  0 Points Deducted 5 Points Lost
Participation

Requirements

Demonstrated the following:

  • Initial, peer, and faculty postings were made on 3 separate days
 Failed to demonstrate the following:

  • Initial, peer, and faculty postings were made on 3 separate days
  0 Points Lost 5 Points Lost
Due Date Requirements Demonstrated all of the following:

  • The initial posting to the graded threaded discussion topic is posted within the course no later than Wednesday, 11:59 pm MT.

A minimum of one peer and one instructor responses are to be posted within the course no later than Sunday, 11:59 pm MT.

Demonstrates one or less of the following.

  • The initial posting to the graded threaded discussion topic is posted within the course no later than Wednesday, 11:59 pm MT.

A minimum of one peer and one instructor responses are to be posted within the course no later than Sunday, 11:59 pm MT.

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