are pretest scores always distributed what is a generalized linear model? why use genlin procedure can you use pretest score as covariate when is the pretest score considered a covariate what is genlin in psychology can genlin be used as a covariate does the pretest score have to be a covariate for the genlin what is the generalized linear model does ancova use pretest score as covariate what is genlin procedure what is the generalized linear model used for in psychology why is ancova referred as a covariate what is meant by genlin what is the purpose of genlin why is pretest score used as covariate why would a genlin procedure be used are the pretest scores used for genlin why use binomial distribution in statistical methods what generalized model uses genlin