# Assignment: Testing Hypotheses for Means

This 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 test
Paired sample t test
One sample t test

Based 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 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.

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)

For help with this week’s research, see this Course Guide and related weekly assignment resources.
Document: Week 6 t test Scenarios (PDF)

Use these scenarios to complete this week’s Assignment.

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