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    Statistical Testing and Data Analysis

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    Read selected sections of Nelson, J. A. P., Young, B. J., Young, E. J., & Cox, G. (2010). Using teacher-written praise notes to promote a positive environment in a middle school. Preventing School Failure, 54(2), 119-125. You should read the Abstract, Introduction, Participants and Setting, Procedure, Measures (paragraph 1 only), Data Analysis (paragraph 1 only), Results (paragraph 1 only), and Discussion (paragraph 1 and 2 only).

    Use the scenario presented in part 1a, above, to answer the following questions:

    What statistical test was used in Nelson et al., (2010)?
    Did the authors use the correct statistical test? In other words, what was their rationale for using this test (i.e., were the variables discrete or continuous and was the test appropriate for this type of data?)
    What was the research question? How did the statistical test address and answer the research question?
    How did the authors interpret the results of this study?

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    Solution Summary

    The solution provides step by step method for the calculation of test statistic for significance of correlation coefficient. Formula for the calculation and Interpretations of the results are also included.