PSYC 355 SPSS Homework 5 Instructions Correlation

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PSYC 355 SPSS Homework 5 Instructions Correlation - Page 1 preview image

PSYC 355Page1of12PSYC 355SPSSHOMEWORK5INSTRUCTIONSCORRELATIONPart1:Green&Salkind:Lesson 31,Exercises 1–4The following helpful tips are numbered to correspond with the exercise number to which theyrefer (a dash indicates that no tipsare needed):1.----------(2ptsfor outputand 2 pts eachfor a–c)Descriptive StatisticsMeanStd. DeviationNOverall quality as aninstructor4.1670.5973150Overall course quality3.9310.6466450Number of publications8.4011.34850Number of times cited byother authors49.5257.27250CorrelationsOverall qualityas an instructorOverall coursequalityNumber ofpublicationsNumber of timescited by otherauthorsOverall quality as aninstructorPearson Correlation1.638**.232.312*Sig. (2-tailed).000.105.028N50505050Overall course qualityPearson Correlation.638**1.347*.372**Sig. (2-tailed).000.014.008N50505050Number of publicationsPearson Correlation.232.347*1.828**Sig.(2-tailed).105.014.000N50505050Number of times cited byother authorsPearson Correlation.312*.372**.828**1Sig. (2-tailed).028.008.000N50505050

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PSYC 355Page2of12**. Correlation is significant at the 0.01 level (2-tailed).*.Correlation is significant at the 0.05 level (2-tailed).2.Answer this question in sentence form. Include the correlation(r)and degrees offreedom,the p value,andwhether these values indicate a significant correlation betweenthe variables or not.(2pts)r(48)= .638, p= 0.000001 (or p<0.1)df-2This is a significant positive linear correlation between the overall course qualityand the number of publications. With a correlation significant at the 0.01 2tail, andasignificantat the 0.05 level (2-tail)3.All homework “Results sections”mustfollow the example given in the Course Contentdocument “Writing Results of Statistical Tests inCurrentAPA Format” (Note: you donot have to refer to a figure).(2pts)Using a correlation rating between the overallcourse quality, the numberof publications, and the times the material was cited.This is a significant positive linear correlation between the overall course qualityand the number of publications. With a correlation significant at the 0.01 2tail, andasignificantat the 0.05 level (2-tail) with an r(48) =.638, p=0.000001 (or p<.01)

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PSYC 355Page3of12----------(2pts)4.Part2:1.A clinical psychologist would like to determine whether there is a relationship betweenobserver ratings of children’s anxious behaviors and scores on an established diagnosticinterview assessing anxiety disorders. He administers the diagnostic interview to 28 childrenand records these scores. He then trains an observer to independently rate anxiety-specificbehaviors for each of the 28 children. These ratings are totaled for an overall “anxiousbehavior” score. On both the interview and the behavioral ratings, a higher score indicateshigher levels of anxiety. These scores are listed in the tableon the following page.Conduct aPearson correlation coefficient analysis to determine whether there is a relationshipbetween the interview scores andthebehavioral ratings for this group of children.The steps will be the same as the ones you have been practicing in Part1of the assignment—the only difference is that you are now responsible for creating the data file as well.

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