spss assignment 4

Jul 18th, 2016
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2.Comparison of Means a.Perform a dependent t test to assess your hypotheses above (note that many versions of SPSS use the term “paired samples t test” rather than “dependent t test”; the test itself is the same. b.In APA style, write one or two paragraphs that describe the dataset, gives your hypothesis, and presents the results of the dependent sample t test. Part B. Independent t test We will start with the data file used in Part A (“Activity 4a.sav”). Suppose, however, you [the researcher] encountered a small problem during data collection: after the post-tests were collected, you realized that the post-test form did not ask for the students’ identification number. As such, it will be impossible to match pre-test scores to post-test scores. Rather than simply give up, you start thinking about the data you do have and try to determine whether you can salvage your project. In assessing the situation, you realize that you have 40 pre-test scores and 40 post-test scores, but no

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NPar TestsDescriptive StatisticsNMeanStd. DeviationMinimumMaximumCreativity pre-test4040.158.3042656Creativity post-test4043.359.5982059Wilcoxon Signed Ranks TestRanksNMean RankSum of RanksCreativity post-test -Negative Ranks9a15.67141.00Creativity pre-testPositive Ranks28b20.07562.00Ties3cTotal40a. Creativity post-test < Creativity pre-testb. Creativity post-test > Creativity pre-testc. Creativity post-test = Creativity pre-testTest StatisticsbCreativitypost-test Creativitypre-testZAsymp. Sig. (2-tailed)-3.17

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