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2. PSY 325 Entire Course (2 Set) • This Tutorial contains 2 Papers for each Assignment and Quiz (DQs--- 1 Set Only) • PSY 325 Week 1 Assignment Descriptive Article Critique (Men Alcohol and Personality) (2 Papers) • PSY 325 Week 1 DQ 1 Data Analysis • PSY 325 Week 1 Quiz (2 Set) • PSY 325 Week 2 Assignment Inferential Statistics Article Critique  (Smoking and Exercise) (2 Papers) • PSY 325 Week 2 DQ 1 Standard Normal Distribution • PSY 325 Week 2 Quiz (2 Set)

3. PSY 325 Week 1 Assignment Descriptive Article Critique (Men Alcohol and Personality) (2 Papers) • This Tutorial contains 2 Papers of this Assignment • Descriptive Statistics Article Critique. Read the article, “Do Men with Excessive Alcohol Consumption and Social Stability Have an Addictive Personality?” and identify the research questions and/or hypotheses as they are stated in the article. If you need assistance looking up the article with the citation, please view the Finding an Article When You Have a Citation tutorial, which is located under “Getting Research Help” within the Ashford University Library. As you

4. PSY 325 Week 1 DQ 1 Data Analysis • Data Analysis. For this discussion, you will organize data sets into meaningful number groupings, calculate basic descriptive values, and communicate written critiques of statistical analyses. • This exercise requires the use of a descriptive statistics calculator. You can find this tool in some versions of Excel (as part of the Analysis ToolPak) or you can use one of the

5. PSY 325 Week 1 Quiz (2 Set) • PSY 325 Week 1 Quiz Set 1 • 1.         Question :        Frequency polygon is to line graph as _________ is to bar graph. • 2.         Question :        The relative frequency of the scores in a class interval = .25. What does that mean? • 3.         Question :        How is a frequency polygon different from a bar chart? • 4.         Question :        Values that indicate the relevant characteristics of a group to be studied are ___________. • 5.         Question :        To calculate mean, at least ordinal data are required.

6. PSY 325 Week 2 Assignment Inferential Statistics Article Critique (Smoking and Exercise) (2 Papers) • This Tutorial contains 2 Papers of this Assignment • Inferential Statistics Article Critique. Read the article “Differential Effects of a Body Image Exposure Session on Smoking Urge Between Physically Active and Sedentary Female Smokers,” and identify the research questions and/or hypotheses as they are stated. Consider the following questions: What are the variables (sample sizes, population, treatments, etc.)? What are the inferential statistics used in this article? Were the proper steps of hypothesis testing followed?

7. PSY 325 Week 2 DQ 1 Standard Normal Distribution • Standard Normal Distribution. For this discussion, identify the appropriate application of standardized scores to reflect on their benefits and to interpret how test scores and measures are commonly presented. • Review Chapter 3 of your course text, which introduces probability and the standard normal distribution. Examine the assumptions and limitations presented in these topics and then consider and discuss the following questions: • • This is an easy to understand video that takes you step-by-step through the basic hypothesis testing process. It is helpful for learning what a p-value is and how statistical significance works.

8. PSY 325 Week 2 Quiz (3 Set) • PSY 325 Week 2 Quiz Set 1 • 1.         Question :        The table value z = .70 is .2580. The z = .70 value occurs at what equivalent percentile? • 2.         Question :        Rejecting the null hypothesis is the same as saying _____________. • 3.         Question :        If the z transformation is used with population data, M is replaced by what symbol? • 4.         Question :        How does the standard normal distribution differs from other normal distributions? • 5.         Question :        A one-sample t value is statistically significant in which situation? • 6.         Question :        All standard scores have which characteristic in

9. PSY 325 Week 3 Assignment ANOVA Article Critique (Cognitive Effects of Risperidone) (2 Papers) • This Tutorial contains 2 Papers of this Assignment • ANOVA Article Critique. Read the article "Cognitive Effects of Risperidone in Children with Autism and Irritable Behavior", and identify the research questions and/or hypotheses as they are stated. Consider the following questions: What are the

10. PSY 325 Week 3 DQ 1 ANOVA • ANOVA. In this discussion, you will evaluate a research question and determine how that question might best be analyzed. To do this, you will need to identify the appropriate application of course specified statistical tests, examine assumptions and limitations of course specified statistical tests, and communicate in writing critiques of statistical tests. • A researcher wishes to study the effect of a new drug on blood pressure. Consider and discuss the following questions as you respond: • •   Would you recommend using a z-test, a t-test, or

11. PSY 325 Week 3 Quiz (2 Set) • PSY 325 Week 3 Quiz Set 1 • 1.         Question :        How are mean square values determined? • 2.         Question :        The within-subjects F is the dependent groups equivalent to what independent groups test? • 3.         Question :        Why is matching uncommon when using the within-subjects F? • 4.         Question :        Dependent groups designs have what strength from the standpoint of analysis? • 5.         Question :        A matched pairs design requires no more time to administer than an independent groups test.           

12. PSY 325 Week 4 Assignment Research Report (2 Papers) • This Tutorial contains 2 Papers of this Assignment • Research Report. Write a research report based on a hypothetical research study. Conducting research and writing a report is common practice for many students and practitioners in any of the behavioral sciences fields. • A research report, which is based on scientific method, is typically composed of the different sections listed below: • •   Introduction: The introduction states a specific hypothesis and how that hypothesis was derived by connecting it to 
previous research. 


13. PSY 325 Week 4 DQ 1 Correlation • Correlation. In this post, you will be challenged to look at how statistical tests, such as correlation are commonly used and the possible limitations of such analyses. In addition, you will need to identify the appropriate application of course-specified statistical tests, examine assumptions and limitations of course specified statistical tests, and communicate in writing critiques of statistical tests. • Much has been written about the relationship between students’ SAT test scores and their family’s income. Generally speaking, there is a strong positive correlation between income and SAT scores. Consider and discuss the following questions as you respond:

14. PSY 325 Week 4 Quiz (2 Set) • PSY 325 Week 4 Quiz Set 1 • 1.         Question :        If a correlation is +.90 or greater, we can assume that a causal relationship exists. • 2.         Question :        How are degrees of freedom related to critical values of rxy? • 3.         Question :        Under what circumstances will residual scores be large? • 4.         Question :        Data of all the following descriptions are appropriate for the Spearman’s rho except: • 5.         Question :        Which of the following defines the slope value in a regression solution?

15. PSY 325 Week 5 DQ 1 Chi-Square • Chi-Square. The purpose of this discussion is to allow you to consider how various non- parametric tests are used and how they compare to other tests with similar variables. To do this, you will need to identify the appropriate application of course-specified statistical tests, examine assumptions and limitations of course-specified statistical tests, and communicate in writing critiques of statistical tests. • ·         Describe the chi-square goodness-of-fit test. • ·         Provide a detailed explanation of what this test measures, and how it is similar to and different from the independent t-test and the chi-square test of independence. • ·         How do you know when to use one analysis over the other? Provide a real-world example. 

16. PSY 325 Week 5 Final Exam Paper (2 Papers) • This Tutorial contains 2 Papers of this Assignment • Focus of the Final Exam • The purpose of the Final Exam is to assess your understanding of the main statistical concepts covered in this course and to evaluate your ability to critically review a quantitative research article. The exam will consist of two parts: Part I includes three essay questions and Part II includes a research critique. All of your responses should be included in a single Word document for submission. • Please include the following general headings for each section of the written exam within your Word document: • Part I: Essay Question

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