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PSYC 354 Confidence Intervals, Effect Size, and Statistical Power HOMEWORK 7

Assignment covering statistical power, confidence intervals, and effect size calculations.

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PSYC 354Page1of6HOMEWORK7Confidence Intervals, Effect Size, and Statistical PowerWhen submitting this file, be sure the filename includes your full name, course and section.Example: HW7_JohnDoe_354B01Be sure you have reviewed thismodule/week’s lesson and presentations along with the practicedata analysisbefore proceeding to the homework exercises. Complete all analyses in SPSS, thencopy and paste your output and graphs into your homeworkdocumentfile. Answer any writtenquestions (such as the text-based questions or the APA Participants section)in the appropriateplacewithin the same file.Part I: ConceptsQuestions 1–8These questions are based on the Nolan and Heinzen reading and end-of-chapterquestions.Part I: Questions 1a-1eFill in the highlighted blanks with the best word or words.1-a)The confidence interval is centered around the__mean______of the sample.1-b)Cohen'sdmeasures the difference between means in terms of_standard deviationnot standard error______.1-c)According to Cohen's conventions, advalue of_appropriate measure of effect sizefor a z statindicates a large effect.1-d)A study that calculates the mean effect size from the individual effect sizes of manystudies is called a(n)_meta-analysis_______.1-e)Statistical power refers to the probability of successfully rejecting the_nullhypothesis_______.Part I: Questions2-5End-of-chapter problems:Completethe followingNolan and Heinzenend-of-chapter exercises forChapter 8:

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Document Details

University
American Public University
Course
PSYC 354
Subject
Psychology

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