Assignment: Testing Hypotheses for MeansThis week you have explored three different approaches to t tests. By this point, you know that each test has assumptions about the data and type of research questions it can answer. For this Assignment, you will be provided with three scenarios. As you read the scenarios, be sure and think about aligning the appropriate t test with the question. Consider whether the data are independent samples and if two samples are being compared.To prepare for this Assignment:Review the Learning Resources and the media programs related to t tests.For additional support, review the Skill Builder: Research Design and Statistical Design and the Skill Builder: Hypothesis Testing for Independent Samples t-test, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.Also, review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tests:Independent sample t testPaired sample t testOne sample t testBased on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset from this week’s Learning Resources using SPSS software, then choose and run the appropriate t test.Once you perform your t test analyses, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Assignment:Write a 2 to 3-paragraph analysis of your t test results for each research scenario and include the SPSS syntax and output. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). If you are using the HS Long Survey Dataset, report the mean of X1SES. Do not forget to evaluate if the t test assumptions are met, justify the selection of type of t test, and report the effect size. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research questions, and output.Required Readings
Frankfort-Nachmias, C., Leon-Guerrero, A., & Davis, G. (2020). Social statistics for a diverse
society (9th ed.). Thousand Oaks, CA: Sage Publications.
• Chapter 8, “Testing Hypothesis” (pp. 243-279)
Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social
science statistics (7th ed.). Thousand Oaks, CA: Sage Publications.
• Chapter 6, “Testing Hypotheses Using Means and Cross-Tabulation” (previously read in
Week 5)
• Chapter 11, “Editing Output” (previously read in Week 2, 3, and 4)
Walden University Library. (n.d.). Course Guide and Assignment Help for RSCH 8210.
Retrieved from
For help with this week’s research, see this Course Guide and related weekly assignment
Document: Week 6 t test Scenarios (PDF)
Use these scenarios to complete this week’s Assignment.
Document: Walden University: Research Design Alignment Table
Optional Resources
Klingenberg, B. (2016). Inference for comparing two population means. Retrieved from
Use the following app/weblink to enter your own data and obtain an interactive visual display.

Skill Builders:
Research Design and Statistical Design
Hypothesis Testing for Independent Samples t-test
To access these Skill Builders, navigate back to your Blackboard Course Home page, and locate
“Skill Builders” in the left navigation pane. From there, click on the relevant Skill Builder link
for this week.

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