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9 Cards in this Set
- Front
- Back
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Considerations in Selecting a test include:
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1) Independence of observation
2)Level of Measurement 3)Sample Size 4)Normal Distribution 5) Types of Samples 6)Robustness 7)Assumptions for Multiple Regressions |
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Independence of Observation
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must be met
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Level of Measurement
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manner in which you have defined and operationalized your variables directly affects the statistical procedures available
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Data must meet the following criteria to be considered an Interval
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1) Be ranked on 5+ levels
2) Come from a normal distribution 3) Result from a large sample |
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Mutliple Regression require that the sample of data be analyzed...
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Contain 10x more cases (subjects) than variables
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1-Sample t-test best use...
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Whether a sample conforms to the parameters of a population
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Independent t-tests
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Signficant differences between 2 different samples
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Paired t-tests
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Signficant changes within the same group
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Robust
-defintion- |
A statistical test is robust when it produces accurate findings, even when assumptions are violated
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