Analysis of Covariance (ANCOVA)

Introduction- According Morrow A.J (2009), ANCOVA is an extension of analysis of variance in which additional variable is added called covariate to the equation. And covariate is added to statistically control for effect of the variables and that besides covariate increases the sensitivity of the statistical test. In smart Alex task the researchers want to see the effect of two different therapies ( stalking-cruel-to-be kind therapy and psychodynamic therapy) on stalking behavior. The independent variables are the therapy approaches and the dependent variable is the staking behavior after therapy (Posttest). The co variable is Pretest staking behavior.