SPSS Follow Up to a previous assignment

[u04d1] Unit 4 Discussion 1

Explaining the Impact of Sampling on Statistical Analysis

In preparation for this unit’s statistical analysis practice and the unit assignment, you will have an opportunity to explore some basic statistical concepts that involve the sample.

The Emotional Well-Being data set is based on a fictional study in which a researcher was interested in determining if a vegetarian diet was a beneficial to the well-being of people living in Alaska, as was found in other research locations where sun exposure was greater.

Based on previous publications, the researcher selected the Short Form Health Survey (SF-36) as the instrument for measuring the efficacy of the different dietary treatments. The current data set recruited a fairly large number of participants (n=72) to answer this question.

Instructions

For this post, refer to the guidelines in the FEM and use the provided data set linked in Resources to complete the following:

0. Create two smaller samples (n=10 and n=5) from the original Emotional Well-Being population data setusing SPSS's Stratified Random Sampling tool.

0. Performadescriptiveanalysisofthekey variables in each of these new data sets(variables:BaselineSF-36Well-BeingScore, Post-Tx Well-Being Score,BMI, Age)and compare your resultsto the original,larger data set's descriptive analysis results.Report your findings.

0. Use this unit’s resources to help youexplain your results in terms of differences in sampling error, sample representativeness, descriptive statistical estimates with related confidence interval, and power.

0. Speculate as to what would have happened were the sample size smaller.

0. Describe one or two of the challenges you found while performing these exercises and how you resolved the issues. Where appropriate, provide the address of any website that helped you.

Response Guidelines

Read and respond to the posts of your peers according to the guidelines in the FEM.

Address one of more of the following in your response:

. How do the challenges and resolutions of your peers compare to yours?

. How did your findings regarding sampling error, sample representativeness, confidence, etc., compare to your peers?

Learning Components

This activity will help you achieve the following learning components:

. Prepare data for analysis.

. Set up a dataset using a survey.

. Identify the influence of sample size and influence of effect size.

. Identify sampling methods and the difference between populations and samples.

. Analyze the analytical testing approach in a quantitative study.

. Write about statistical concepts clearly, accurately, and professionally.

Resources

. Discussion Participation Scoring Guide.

. Emotional Well-Being (SF-36) Study Data Set [XLSX]..

2nd ASSIGNMENT!!!! I DO NOT NEED A TITLE PAGE JUST 2 PAGES

· Creating and Interpreting a Demographic Table

Overview

The baseline demographic table plays an important role in reporting study results. It summarizes key characteristics of participants numerically (such as age, gender, and ethnicity) at the beginning of a study, before any intervention takes place. Baseline demographic tables are often among the first tables found in the results section of capstone papers, dissertations, and peer-reviewed publications as well.For this assignment, you will create a baseline demographic table and narrative summary using the linked Resources.

Demonstration of Proficiency

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

· Competency 1: Describe underlying concepts and reasoning related to the collection and evaluation of quantitative data in health care research.

1. Write a summary narrative about statistical results.

. Competency 2:Apply appropriate statistical methods using common software tools in the collection and evaluation of health care data.

2. Perform descriptive statistics for selected variables in a data set.

2. Create a demographic table populated with descriptive data for specific treatment groups.

2. Use appropriate statistics for a given data measurement level.

. Competency 3:Interpret the results and practical significance of statistical health care data analyses.

3. Explain the clinical significance of a demographic table.

. Competency 5: Address assignment purpose in a well-organized text, incorporating appropriate evidence and tone in grammatically sound sentences.

4. Articulate meaning relevant to the main topic, scope, and purpose of the prompt.

4. Apply APA formatting to in-text citations and references.

Instructions

Part 1: Baseline Demographic Table

· Familiarize yourself with the Perceived Stress Scale Scoring Instructions and Yoga and Stress Study below.

· Follow the steps described in this unit and course resources to use SPSS for performing a descriptive statistical analysis for the following selected variables from the Yoga and Stress Study data set linked in Resources: Age, Gender, Race, Military Status, and Pre-intervention Psychological Stress Score.

· Create a demographic table and populate the table with the results of descriptive analysis.Use How to Create a Demographic Table (linked in Resources).

. Use the type of descriptive statistics most appropriate for the particular kind of data measurement level of each variable being reported.

. Include appropriate univariate statistics for the variables for each treatment group: Age, Gender, Ethnicity, Education, and current Military Status.

. Use appropriate statistics for a given data measurement level.

Part 2: Interpretive Summary

· Write a summary narrative about statistical results.

· Prepare a properly formatted demographic table that includes appropriate univariate statistics for the variables for each treatment group.

. Explain the practical significance of a demographic table.

· For general guidance in reporting a demographic table, use the unit readings, media resources, and collaborative insights from the discussions.

Additional Requirements

· Length:2-3 typed, double-spaced pages of content plustitle and reference pages.

· Font:Times New Roman, 12 points.

· APA Format:Your title and reference pages must conform to APA format and style guidelines. 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 Campus APA Module (linked in Resources) as needed.

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

Resources

· Creating and Interpreting a Demographic Table Scoring Guide.

· How to Create a Demographic Table [PPTX].

· Yoga Stress (PSS) Study Data Set [XLSX].

· Perceived Stress Scale Scoring Instructions [PDF].