#### Examine two research articles which incorporate a statistical analysis discussed in this course but not previously examined in your submission of activity 1 or 2.

Briefly summarize and report on each statistic and discuss whether the assumptions of each test were met and if the type of data was appropriate for each statistical

test.

Include the following sections in your paper:

Section I A Review of the Data Analysis:

Provide a discussion of the following elements:

What is the problem or question(s) this research concerns?

Give a brief overview of how the data were collected.

What is the source of data? (i.e. questionnaire physiological data existing statistical information etc.). In some studies there are two or more sources of data.

List the independent and dependent variables

Discuss sample size estimation. Consider the following

Was a power analysis conducted?

Was the sample size appropriate for the statistical test? Why or why not?

Describe the statistic used to measure the hypotheses/research questions.

How is this appropriate?

How were assumptions met?

Is the level of measurement appropriate? Why or why not?

Discuss how the data were displayed (i.e. graphs tables)

Were these appropriate? Why or why not?

Section II Data Analysis Evaluation:

What did the data analysis show?

What conclusions were drawn by the authors?

Do you agree or disagree with the conclusions? Why or why not?

Were the study limitations discussed? What were the limitations if any? How did the authors deal with the limitations?

Give your overall evaluations of the methods used in this article including a discussion of the following questions:

What things were done well?

What were done poorly?

How much trust do you put in the findings?

Section III Understanding the Data:

Provide a discussion of the usefulness of each study to your nursing peers.

What might they think of the study?

What might they find confusing?

What aspects of the studies might they question?

Summarize why you think the studies do or do not provide sufficient evidence to change practice.

Summarize your thoughts related to the usefulness of the statistics.

Your paper must be:

4-12 pages excluding cover page;

composed using Microsoft Word;

typed in Times New Roman font size 12.

This and all papers should be written in APA format and follow standard rules of grammar and formatting.

Scoring Rubric: Statistical Assessment of Two Research Reports

[350 points] Due Unit 9

Excellent Above Average Satisfactory Unsatisfactory Total Points

Content

Step One : A Review of the Data Analysis for 2 articles

Problem or research question of both research studies described.

Overview of data collection process described for both research studies.

Data collection sources discussed for both research studies.

Independent and dependent variables of both studies are listed.

Sample size estimation is discussed with power analysis and sample size fit for statistical analysis for both studies.

Described the statistics used to answer the research hypothesis/question in terms of appropriate statistic level of measurement and assumptions for both studies. The

assumptions and levels of measurement are evaluated.

Data displays with appropriateness of fit discussed for both studies. Strengths and weaknesses of the displays are evaluated.

Problem or research question of both research studies described; focus could be clearer.

Overview of data collection process described for both research studies; focus could be clearer.

Data collection sources discussed for both research studies; focus could be clearer.

Independent and dependent variables of both studies are listed; descriptions could be clearer.

Sample size estimation is discussed with power analysis and sample size fit for statistical analysis for both studies; descriptions could be clearer.

Described the statistics used to answer the research hypothesis/question in terms of appropriate statistic level of measurement and assumptions for both studies;

descriptions could be clearer.

Data displays with appropriateness of fit discussed for both studies; descriptions could be clearer. Data displays are not evaluated.

Problem or research question of both research studies are identified but not described.

Overview of data collection process identified for both research studies but some areas are not clearly described.

Data collection sources identified for both research studies but some are not clearly described.

Independent and dependent variables of both studies are listed but some are not clearly described.

Sample size estimation with power analysis and sample size fit for statistical analysis for both studies identified but some are not clearly described.

Identified the statistics used to answer the research hypothesis/question in terms of appropriate statistic level of measurement and assumptions for both studies

but some are not clearly described or evaluated.

Data displays with appropriateness of fit identified for both studies but some are not clearly described or evaluated.

Problem or research question of both research studies are not identified or described.

Overview of data collection process for both research studies is not identified or described.

Data collection sources for both research studies are not identified or described.

Independent and dependent variables of both studies are not identified or described.

Sample size estimation with power analysis and sample size fit for statistical analysis for both studies are not identified or described.

The statistics used to answer the research hypothesis/question in terms of appropriate statistic level of measurement and assumptions for both studies are not

identified or described or evaluated.

Data displays with appropriateness of fit for both studies not identified or described or evaluated.

30 25 22 0 of 30

Step Two: Data Analysis Evaluation for 2 articles

Results of data analysis described an evaluated for both articles.

Author(s) conclusions are described for both articles.

An analysis of author(s) conclusion for both articles is described.

Study limitations are described for both articles.

An analysis of strengths and weaknesses of both studies are described. The two studies are compared and contrasted.

Results of data analysis described for both articles; focus could be clearer.

Author(s) conclusions are described for both articles but focus could be clearer.

An analysis of author(s) conclusion for both articles is described but focus could be clearer.

Study limitations are described for both articles but focus could be clearer.

An analysis of strengths and weaknesses of both studies are described but focus could be clearer.

Results of data analysis are identified for both articles but some are not described.

Author(s) conclusions for both articles are identified but some elements not described.

An analysis of author(s) conclusion for both articles is identified but some elements are not described.

Study limitations are identified for both articles but some elements are not described.

An analysis of strengths and weaknesses of both studies are identified but some elements are not described.

Results of data analysis for both articles are not identified or described.

Author(s) conclusions for both articles is not identified or described.

An analysis of author(s) conclusion for both articles is not identified or described.

Study limitations are not identified or described.

An analysis of strengths and weaknesses is not identified or described.

30 25 22 0 of 30

Step Three: Understanding the Data for 2 articles

The usefulness of the 2 studies is described and analyzed.

Peer thoughts about the 2 studies are described.

Confusing elements of the 2 studies are described.

Areas of question of the 2 studies are described.

Evidence to change practice by the 2 studies is described.

Usefulness of statistics is described and evaluated.

The usefulness of the 2 studies is described focus could be clearer.

Peer thoughts about the 2 studies are described but focus could be clearer.

Confusing elements of the 2 studies are described but focus could be clearer.

Areas of question of the 2 studies are described but focus could be clearer.

Evidence to change practice by the 2 studies is described but focus could be clearer.

Usefulness of statistics is described but focus could be clearer.

The usefulness of the 2 studies is identified but not described.

Peer thoughts about the 2 studies are identified but some areas are not described.

Confusing elements of the 2 studies are identified but some areas are not described.

Areas of question of the 2 studies are identified but some areas are not described.

Evidence to change practice by the 2 studies is identified but some areas are not described.

Usefulness of statistics is identified but not well described.

The usefulness of the 2 studies is not identified or described.

Peer thoughts about the 2 studies are not identified or described.

Confusing elements of the 2 studies are not identified or described.

Areas of question of the 2 studies are not identified or described.

Evidence to change practice by the 2 studies is not identified or described.

Usefulness is not identified or described.

20 17 15 0 of 20

Format/Style

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