Learning Objectives

  • Describe linear relationships and prediction rules for bivariate and multiple regression models
  • Construct and interpret straight-line graphs and bestfitting lines
  • Calculate and interpret a and b 
  • Calculate and interpret the coefficient of determination (r2) and Pearson’s correlation coefficient (r)
  • Interpret SPSS multiple regression output
  • Test the significance of r2 and R2 using ANOVA