DATA Describing one variable OR comparing variables Presentation, frequency distributions, graphs Measures of CT, Variability variability means error, systematic or otherwise, why aren't all the scores the same? Standardizing means spreading the variability across all the whole sample (determining how much each score deviates from its own mean) 2-scores - allow comparison of different data sets by ( standardizing | scores Level of Measurement for each variable Ratio, Interval, Ordinal, Nominal Parametric or Non-Parametric Parametric comparison of Mean and Standard Deviation and Variance Independent or Correlated Scores Independent - no one can be in more than one box Correlated - multiple scores from one subject, paired subjects Go to: Key Concepts for ANOVA