# PSY 315 COMPLETE CLASS

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PSY 315 COMPLETE CLASS

PSY 315 (Statistical Reasoning in Psychology )Complete Class

Week 1

PSY 315 Week 1 Research Statistics and Psychology Paper

Resources: Assigned readings, ERRs, the Internet, and other sources

Prepare a 700- to 1,050-word paper in which you examine the role of research and statistics in the field of psychology.

• Define research and the scientific method (include an explanation of all five steps).
• Compare and contrast the characteristics of primary and secondary data.
• Explain the role of statistics in research. (Keep the focus within the field of psychology).

Format your paper according to APA standards.Complete the Certificate of Originality Report and submit to the Assignments link as an attachment along with this assignment.

Discussion Questions:

• How would you define research? How do statistics relate to research? How can research help your organization save money?
• What are some of the differences between primary and secondary data? Why should you use both primary and secondary data in research? What are some disadvantages of using secondary sources to make decisions?

Week 2

PSY 315 Week 2 Learning Team Assignment Complete

Learning Team Assignment:Descriptive and Inferential Statistics Paper & Team Charter: see Rubric in the Course MaterialsForum, Also post the team charter to the Assignments section with the completed assignment.

Resources: Assigned readings, ERRs, the Internet, and other sources

Prepare a 700- to 1,050-word paper in which you examine the differences between descriptive and inferential statistics.

Describe the functions of statistics.

Define descriptive and inferential statistics.

Provideat least one example of the relationship between descriptive and inferential statistics.

Format your paper according to APA standards.

Complete the Certificate of Originality Report and submit to the Assignments link as an attachment along with this assignment.

Discussion Questions:

• How effective are the pie charts that often accompany a newspaper article in explaining the statistics being used in the article?
• When might coefficient of variation be a better measure of dispersion than variance?

Week 3

PSY 315 Week 3 Ch.2 and Ch.3 Practice Problems

Individual Assignment: Assignments from the Text

Resources: Statistics for Psychology

Prepare a written response, including answers, to the following assignments located in the text:

Ch. 2, Practice Problems: 11, 12, 13, 16, and 21

Ch. 3, Practice Problems: 14, 15, 22, and 25

Note.Methods of computation may include the usage of Excel, SPSS, Lotus®, SAS®, Minitab®, or by-handcomputation.

Complete the Certificate of Originality Report and submit to the Assignments link as an attachment along with this assignment.

Discussion Questions:

• What is the five-step process for hypothesis testing? Is the order important? Why or why not? Why do alphas differ among industries (businesses)? How do ethics affect your chosen level of significance? Can you not reject and reject the null hypothesis? Why or why not?
• What are some terms related to hypothesis testing that you are already familiar with? Why does a null and alternative hypothesis have to be mutually exclusive?

Week 4

PSY 315 Week 4 Learning Team Hypothesis Testing PPP

Discussion Questions:

• What is the theory underlying ANOVA? Why is it important? What is the significance of the size SSE in relation to SSA
•  In ANOVA, what does F=1 mean? What are the differences between a two sample t-test and ANOVA hypothesis testing? When would you use ANOVA at your place of employment, in your education, or in politics?

Week 5

PSY 315 Week 5 Practice Problems

Discussion Questions:

• What is a scatter diagram? What are the steps that need to be taken in order to create a scatter diagram?
• What is the logic behind using the sum of the products of deviation scores as the numerator of the formula for the correlation coefficient? Is this logic sound? Why or why not?