This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Extreme scores MODE Most frequent score Actual values not considered Nominal data Very simple description STANDARD DEVIATION Most commonly used Measures variability Scores near or far Approximates the average distance from the mean Types of Correlation Coefficients Pearson r Spearman rho (rs) Point-Biserial (rpb) Phi Coefficient (t ) Restriction of Range Lowers coefficient Regression Used for prediction Predictor Variable Criterion Variable Multiple Correlation Increases prediction accuracy Partial Correlation Correlation between a predictor and criterion without the influence of other predictors...
View Full Document
This note was uploaded on 11/16/2011 for the course PSYCH 3600 taught by Professor Whatley during the Fall '11 term at Valdosta State University .
- Fall '11
- Experimental Psychology