28 Aug Psychology
This week’s assignment questions are extracted from your Warner (2013) text. Answer each question, providing IBM SPSS analysis when necessary to support your answer. Save your work in a Word file named course number_assignment number_Last Name_First Initial, for example, PSY8625_u01a1_Smith_K. The deadline for submitting your work is 11:59 PM CST on Sunday of Week 1.Given below are two applications of statistics. Identify which one of these is descriptive and which is inferential. Explain your decision. Example1: An administrator at Corinth College looks at the verbal Scholastic Aptitude Test (SAT) scores for the entire class of students admitted in the fall of 2005 (mean = 660) and the verbal SAT scores for the entire class admitted in the fall of 2004 (mean = 540) and concludes that the class of students admitted to Corinth in 2005 had higher verbal scores than the class of students admitted in 2004.Example 2: An administrator takes a random sample of 45 Corinth College students in the fall of 2005 and asks them to self-report how often they engage in binge drinking. Members of the sample report an average of 2.1 binge drinking episodes per week. The administrator writes a report that says, “The average level of binge drinking among all Corinth College students is about 2.1 episodes per week.”For what types of data would you use nonparametric versus parametric statistics?Briefly describe the difference between internal and external validity.When a researcher has an accidental or convenience sample, what kind of population can he or she try to make inferences about?For each of the following lists of scores, indicate whether the value of SS will be negative, 0, between 0 and +15, or greater than +15. (You do not need to actually calculate SS.)
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