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8 Cards in this Set
- Front
- Back
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Discriminant analysis
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Multivariate technique; used when criterion is measured on nominal scale; battery of tests used to help students choose college major
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Predictions of the Central Limit Theorem (3)
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(1) sampling dist. of means increasingly approaches normal as n increases regardless of shape of pop dist.; (2)mean of sampling dist of means=population mean;(3)SD of sampling dist of means=pop SD/square root of sample size
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Type I error; Alpha
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Probability of rejecting null when null is true; detecting an effect when there is none
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Type II error; Beta
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Probability of failing to reject null when null is false; not detecting an effect when there is one
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Power
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Probability of correctly rejecting the null when null is false; not finding an effect when there is none
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Multiple regression
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2+ predictors to predict 1 continuous criterion: Using SAT verbal, SAT math and high school GPA to predict college GPA
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Path analysis
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Used to confirm a predicted one-way (recursive) relationship between observed variables
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LISREL
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Used to confirm a predicted one- or two-way (non-recursive) relationship between observed and latent variables
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