In this Signature Assignment, you will use what you have learned in this course to conduct three statistical tests: a Pearson correlation, an indepe
In this Signature Assignment, you will use what you have learned in this course to conduct three statistical tests: a Pearson correlation, an independent t-test, and an ANOVA.
You will use SPSS to conduct the statistical tests.
You will then prepare a PowerPoint presentation in which you share the results of each statistical test. Each slide should contain notes (at least 100 words) describing the analysis in narrative form.
Prepare the PowerPoint presentation and include a voice-over. For instructions on how to include a narration to a PowerPoint presentation, search for “how to create voice-over narration in MSWord PowerPoint.”
Use the attached SPSS file to complete the following:
Select variables appropriate to conduct each of the statistical tests below:
- Pearson Correlation for three variables
- Independent Samples t-test
- Recall from week 5 that the t-test compares means for two groups.
- ANOVA
- Recall from week 5 that the ANOVA test compares means for three or more groups.
PowerPoint
Introduction
Introduce the assignment by stating the importance of hypothesis testing in research and how statistics are used to accomplish this.
Present the statistical tests one at a time. For each statistical test:
- Identify the null and alternative hypothesis for the statistical test.
- Identify the Independent and Dependent variables, as appropriate. (Note: not applicable for the Pearson Correlation statistical test)
- Display appropriate graphics, and descriptive statistics for each of the variables in the statistical test. Describe the central tendency and dispersion of each variable in the slide notes using formal writing.
- Display the statistical output for the test.
a. Describe the statistical output in the slide notes using formal writing.
b. Reflect on the use and value of the statistical test.
Summary
Close the assignment with a formally written reflection on building a statistical mindset and developing statistical confidence.
Resources:
SPSS Data Set
Length: 12 to 15 slides not including title page and reference page
Dataset Codebook BUS7105, Week 8
Name Source Representation Measurement Meaning
Subject’s Identification Number
Qualtrics Identification Number. Auto generated by Qualtrics software.
Anonymous identification of survey taker
N/A Sequential numbers in order of survey taker completion. Dataset organization purposes only.
Gender Self-reported by survey- taker: Survey Question #1
Survey-taker gender affiliation
Categorical, Dichotomous
1 = Female 2 = Male
Age Self-reported by survey- taker: Survey Question #2
Survey-taker reported age in years
Continuous, Scale Age in whole years.
Education Self-reported by survey- taker: Survey Question #3
Survey-taker education level
Categorical, Nominal 1 = High School Completion 2 = Bachelor’s degree Completion 3 = Master’s Degree Completion
Personality Self-reported by survey- taker: Average of Survey Questions: #4(Reverse Scored), 5, 6, 7 (Reverse Scored), 8, 9(Reverse Scored)
Composite score of Survey-taker degree of introversion to extroversion personality traits.
Likert scale 1 – 7, Interval*
1 = Survey Response: Highly Disagree (Introvert) To 7 = Highly Agree (Extrovert)
Job Satisfaction Self-reported by survey- taker: Average of Survey Questions: #10, 11, 12, 13
Composite score of Survey-taker satisfaction with their current job.
Likert scale 1 – 10, Interval
1 = Very Dissatisfied To 10 = Very Satisfied
Engagement Self-reported by survey- taker: Average of Survey Questions: #18, 19, 22(Reverse Scored)
Composite score of Survey-taker engagement in their current job.
Likert scale 1 – 7, Interval*
1 = Survey Response: Almost None of the Time (Very Low Engagement) To 7 = Survey Response: Almost All of the Time (Very High Engagement)
Trust in Leader Self-reported by survey- taker: Average of Survey Questions: # 15, 16, 17, 21
Composite score of Survey-taker trust in direct leader in their current job.
Likert scale 1 – 7, Interval*
1 = Survey Response: Almost None of the Time (Very Little Trust in Leader) To 7 = Survey Response: Almost All of the Time (Great Deal of Trust in Leader)
Motivation Self-reported by survey- taker: Average of Survey Questions: #14 (Reverse Scored), 20 (Reverse Scored), 23, 24, 25
Composite score of Survey-taker motivation in performing their current job.
Likert scale 1 – 7, Interval*
1 = Survey Response: Almost None of the Time (Not Motivated At All) To 7 = Survey Response: Almost All of the Time (Highly Motivation)
Intent to Quit Job Self-reported by survey- taker:
Composite score of Survey-taker intent to quit their current job.
Likert scale 1 – 7, Interval*
1 = Survey Response: Almost None of the Time (High Intent to Quit Job)
Average of Survey Questions: #26, 27, 28
To 7 = Survey Response: Almost All of the Time (Low Intent to Quit Job)
* Composite scores of multiple Likert scaled survey questions may be deemed interval in most situations. Exceptions include a single Likert
scaled survey question, scale range options less than 5, sample data that are not normally distributed, and certain variable characteristics
(Carifio & Perla, 2008; Sullivan & Artino, 2013). Measurement level assignment in SPSS is nominal, ordinal, and scale. Because meaningful
computations may be performed with interval data; SPSS assumes interval level variables as metric, and they are assigned to the scale
measurement level. See Measurement column in the Variable View tab.
Carifio, J., & Perla, R. (2008). Resolving the 50-year debate around using and misusing Likert scales. Medical Education, 42(12), 1150 1152. https://doi-org.proxy1.ncu.edu/10.1111/j.1365-2923.2008.03172.x Sullivan, G. M., & Artino, A. R., Jr. (2013). Analyzing and interpreting data from likert-type scales. Journal of Graduate Medical Education, 5(4), 541–542. https://doi-org.proxy1.ncu.edu/10.4300/JGME-5-4-18
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