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[PDF File]SPSS: Descriptive and Inferential Statistics
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SPSS: Descriptive and Inferential Statistics 5 The Department of Statistics and Data Sciences, The University of Texas at Austin for anticipating further analyses: in the above example, it is clear that there is much greater variability in the current salaries than beginning salaries. Because equal variances is an
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[PDF File]Is it statistically significant? The chi-square test
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Steps to follow • State the hypothesis • Calculate the expected values • Use the observed and expected values to calculate the chi-square test statistic • Establish the significance level you need (usually 95% p = 0.05) and the number of degrees of freedom • Compare the chi-square statistic with the critical value from the table • Make a decision about your hypothesis
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Statistical versus Practical Significance
Practical significance is not the same as statistical significance. Recall, a general problem with traditional statistics is that if you take large enough samples, almost any difference or any correlation will be
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[PDF File]Chapter 7 Comparing Means in SPSS (t-Tests)
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Chapter 7 Comparing Means in SPSS (t-Tests) This section covers procedures for testing the differences between two means using the SPSS Compare Means analyses. Specifically, we demonstrate procedures for running Dependent-Sample (or One-Sample) t-tests, Independent-Sample t-tests, Difference-Sample (or Matched- or Paired-Sample) t-tests.
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[PDF File]SPSS Guide: Tests of Differences - iranspss
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SPSS Guide: Tests of Differences I put this together to give you a step-by-step guide for replicating what we did in the computer lab. It should help you run the tests we covered. The best way to get familiar with these techniques is just to play around with the data and run tests. As you do it, though, think of the research questions from your
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[PDF File]How To Run Statistical Tests in Excel
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How To Run Statistical Tests in Excel Microsoft Excel is your best tool for storing and manipulating data, calculating basic descriptive statistics such as means and standard deviations, and conducting simple mathematical operations on your numbers. It can also run the five basic Statistical Tests.
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[PDF File]Exploring Relationships using SPSS inferential statistics ...
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More Chi-square tests in SPSS • Let’s look again at the tourism data3, and answer this question: ¾Is there a relationship between the nationality of the tourist and the likelihood to recommend the destination (word-of-mouth intentions) or Do word-of-mouth intentions vary by nationality? ¾2 variables – …
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[PDF File]Effect Sizes - Discovering Statistics
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C8057 (Research Methods 2): Effect Sizes Dr. Andy Field, 2005 Page 3 SPSS Output 1 shows the results of two independent t-tests done on the same scenario. In both cases the difference between means is —2.21 so these tests are testing the same difference between means. Look at the associated t-values and significance though. In one
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[PDF File]Meaningfulnessvs. + + + + Statistical Significance Program ...
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significance. Meaningfulnessistaking that statisticand determining it's applicabilityout in the real world. So all too often, asresearchers, we get caught up in chasing statistical significance. And certainlywhile that's part of statistics, we also want to focuso n the tie backto the real world. So while we might find statistical significance ...
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[PDF File]Deciding on appropriate statistical methods for your research
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Deciding on appropriate statistical methods for your research: ... will help you answer your research question and which is the dependent variable? What type of variables are they? Which statistical test is most appropriate? ... packages such as SPSS but plotting a histogram is also a good guide. As long as the histogram of the
how to determine statistical significance

Determining statistical significance spss