Weeks 4 - 5

Correlation

Types of Research Questions used for

Bivariate Distribution

Scatter Diagram

General Definition of Correlation

Pearson r

Characteristics

Calculation

Deviation Score Method

Raw Score

Interpreting Pearson r

Effects of score transformation

Assumptions underlying r

Other Measures of Association

Spearman's Rho

Calculation

Biserial

Point Biserial

Calculation

Phi

Contingency Coefficient

Multiple Correlation