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Seven discussion posts/questions. Six discussion posts/questions. The textbook
Seven discussion posts/questions. Six discussion posts/questions. The textbook used is Essentials of Statistics for the Behavioral Sciences by Gravetter, F. J., Wallnau, L. B., Forzano, L. B., & Witnauer, J. E. (2021). Essentials of statistics for the behavioral sciences (10th ed.). Cengage. ISBN-13: 9780357365298. Read Chapters 10 and 11 in Essentials of Statistics for the Behavioral Sciences. Review Chapters 8, 9, 10, and 11 PowerPoint presentations. A substantive post is 150 words minimum, incorporates information from the course materials/readings or personal experience, and adds something new to the conversation that others can learn from.
DQ1: The first problem we confront in analyzing data is determining the appropriate statistical test. Under what circumstances is a t-statistic used instead of a z-score in a hypothesis test? Give an example of both a t-statistic and z-score.
DQ2: When hypothesis testing, when might you use one-independent sample t-test versus a two-independent samples t-test? Provide an example of each for a proposed research study.
DQ3: So, matched-subjects designs and repeated measures fall into the category of a related sample. How are they similar and how do they differ?
DQ4: What was the muddiest point from module 4? It needs to a concept that we covered in the past module such as the standard error. Make sure to be as specific as possible and illustrate with an example. You also need to show your work and/or explain it. If you don’t address all of these, you won’t earn participation credit for your response to this thread.
DQ5: How do your calculations differ when using SPSS for a paired versus unpaired t test? How is it similar? Note that there is not much difference in terms of how you use SPSS.
DQ6: What type of test might you be using if you are dealing with 3 or more independent samples? Hint: we have not done this respective test yet.
DQ7: It sure appears that statistically speaking, a related samples study would give most likely give us more valid results (or at least not less valid results). So why would you consider doing 2-independent samples test instead (assuming we need to do a 2-samples test)? Think about practicality in terms of real-life applications. Please make sure to tell me why.
Additional Resources
Read Chapters 10 and 11 in Essentials of Statistics for the Behavioral Sciences. Review Chapters 10 and 11 PowerPoint presentations. Gravetter, F. J., Wallnau, L. B., Forzano, L. B., & Witnauer, J. E. (2021). Essentials of statistics for the behavioral sciences (10th ed.). Cengage. ISBN-13: 9780357365298
Read “Probability,” by Johnson, from Salem Press Encyclopedia of Science (2013). https://lopes.idm.oclc.org/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=ers&AN=89317168&site=eds-live&scope=site&custid=s8333196&groupid=main&profile=eds1
Read Chapters 8 and 9 in Essentials of Statistics for the Behavioral Sciences. Review Chapters 8 and 9 PowerPoint presentations. Gravetter, F. J., Wallnau, L. B., Forzano, L. B., & Witnauer, J. E. (2021). Essentials of statistics for the behavioral sciences (10th ed.). Cengage. ISBN-13: 9780357365298
Read “Sampling,” by Wienclaw, from Research Starters: Sociology (2013). https://lopes.idm.oclc.org/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=ers&AN=89185687&site=eds-
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