1. Analyzing quantitative data – section III Week 10 Lecture 1

2. Test whether two groups are different Categorical data (nominal and rank scale) Kolmogorov-Smirnov test Quantifiable (interval and ratio scale) T-test Independent groups t-test Paired t-test To test whether three or more groups are different One way ANOVA

3. Assess the strength of relationship Assess the strength of relationship between pairs of variables Correlation coefficient

4. Linear regression analysis Assess the strength of a cause-and-effect relationship between variables Regression equation DV = b 0 + b 1 *IV 1 + b 2 *IV 2 +… Predict the value of a variable from one or more other variables