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26/03/2020Review Test Submission: Module 5 Exam – PSY480_VB_S20201/11Review Test Submission: Module 5 Exam2020S_PSY480_VB_Applied Statistics in the Behavioral SciencesLearning ModulesModule 5: Independent t TestReview Test Submission: Module 5 ExamUserRosalyn R StrongCourse2020S_PSY480_VB_Applied Statistics in the Behavioral SciencesTestModule 5 ExamStarted3/26/20 8:32 AMSubmitted3/26/20 9:06 AMStatusCompletedAttempt Score24 out of 30 points Time Elapsed33 minutes out of 1 hourResultsDisplayedAll Answers, Submitted Answers, Correct Answers, Feedback, Incorrectly AnsweredQuestionsQuestion 1Selected Answer:Answers:If a con±dence interval is 95%, then this corresponds to a p level of _____.0.050.050.010.100.08Question 2SelectedAnswer:Answers:Mehl (2007) published in the journal Science the results of an extensive study of396 men and women, comparing the number of words uttered per day by eachsex. Is the population likely to be normally distributed? Why or why not?We do not know whether the population is normally distributedbecause we do not have information on the population.Yes; the population is likely to be normally distributed because thesample size is greater than 200.1 out of 1 points1 out of 1 points
26/03/2020Review Test Submission: Module 5 Exam – PSY480_VB_S20202/11No; the population is not likely to be normally distributed because ithas a small sample size.Yes; the population is likely to be normally distributed because thesample is greater than 30.We do not know whether the population is normally distributedbecause we do not have information on the population.Question 3Selected Answer:Answers:A study found statistically signi±cant results for a hypothesis tested with anindependent-samples t test. According to Cohen's convention, the author of thestudy reported her e²ect size for the test as medium. According to Cohen'sconvention, this convention is:0.5.0.5.0.2.0.8.0.3.Question 4Selected Answer:Answers:A plevel of 0.05 corresponds to a con±dence interval of _____%.9568909599.9Question 5A clinical researcher was interested in determining whether her interventions fordepression were e²ective in minimizing depression symptoms among herparticipants. To assess the e²ectiveness of her treatment program, sheadministered a depression inventory prior to treatment and after treatment. Shehypothesized that depression scores would be lower at time two compared totime one. She then compared the mean di²erences between the two groups and1 out of 1 points1 out of 1 points0 out of 1 points
26/03/2020Review Test Submission: Module 5 Exam – PSY480_VB_S20203/11Selected Answer:Answers:found that her treatment was e±ective. Which statistical test was the researcherMOST likely to have used to test her hypothesis?

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