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Multivariate Analysis

Multivariate Analysis. A Flight Plan for Studying Statistics. Levels of Measurement. =, ~=. Nominal Ordinal Interval Ratio. =, ~=, > <. =, ~=, > <, + -. =, ~=, > <,+ -, x /. Questions to Ask. Descriptive or Inferential What level of measurement How many variables or groups.

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Multivariate Analysis

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  1. Multivariate Analysis A Flight Plan for Studying Statistics

  2. Levels of Measurement =, ~= • Nominal • Ordinal • Interval • Ratio =, ~=, > < =, ~=, > <, + - =, ~=, > <,+ -, x /

  3. Questions to Ask • Descriptive or Inferential • What level of measurement • How many variables or groups

  4. Decision TreePurpose Level # Variables • Descriptive • Inferential One = %/Ratio/Rate Two = Crosstabs, P.R.E. Non-Quantitative > Two = Log Linear One = Mean / SD Quantitative Two = Correlation > Two = SEM One = Chi Square Two = Wilcoxon, M-W Non-Quantitative > Two = Logistic Regression One = Z-test Quantitative Two = t-test >Two = ANOVA

  5. D V I V Non-Quantitative Quantitative Non-Quantitative Quantitative

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