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Hypothesis Testing Assignment Instructions Overview This assignment is designed
Home » Statistics  »  Hypothesis Testing Assignment Instructions Overview This assignment is designed
Hypothesis Testing Assignment Instructions Overview This assignment is designed
Hypothesis Testing Assignment Instructions Overview This assignment is designed to increase your statistical literacy and proficiency in forming hypotheses and interpreting the outcomes of hypothesis tests. Testing hypotheses is central to understanding and performing research in the behavioral sciences, including psychology, social work, and counseling. Instructions • This assignment includes two problem sets that contain research scenarios and related questions. • Answer each question in the “ANSWER” space below the question. • This assignment is worth 60 points. Please review the Watch: Key Concept: Hypothesis Testing and Statistical Significance presentation in this module’s Learn section before you complete this assignment. The scenarios begin on the next page. Research Question 1: Is Cognitive Processing Therapy (CPT) more effective in treating PTSD than Prolonged Exposure therapy (PE)? 1. Does this question represent a correlational or experimental research design? Why? ANSWER: (4 pts) 2. Which of the two models you learned about in the presentation would state that there is nothing interesting going on between CPT and PE in treating PTSD? ANSWER: (4 pts) 3. State the alternative hypothesis for this study. ANSWER: (4 pts) 4. State the null hypothesis for this study ANSWER: (4 pts) 5. Are your hypotheses directional or non-directional? How do you know this? ANSWER: (4 pts) 6. Suppose you run the study, and the results come out with a p value of .23. What can you conclude about the difference between the treatments? ANSWER: (5 pts) 7. In this case, would you decide to reject or fail to reject the null hypothesis? Why? ANSWER: (5 pts) Research Question 2: Is there a relationship between scores on the Child Behavior Checklist (CBCL) and the Eyberg Child Behavior Inventory (ECBI) in a sample of 350 fourth-grade students? 1. Does this question represent a correlational or experimental research design? Why? ANSWER: (4 pts) 2. Which of the two models you learned about in the presentation would state that there is some kind of relationship between the scores on the CBCL and ECBI? ANSWER: (4 pts) 3. State the alternative hypothesis for this study. ANSWER: (4 pts) 4. State the null hypothesis for this study ANSWER: (4 pts) 5. Are your hypotheses directional or non-directional? How do you know this? ANSWER: (4 pts) 6. Suppose you run the study, and the results come out with a p value of .001. What can you conclude about the relationship between the scores on these two measures? ANSWER: (5 pts) 7. In this case, would you decide to reject or fail to reject the null hypothesis? Why? ANSWER: (5 pts) Page 2 of 2

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