According to recent figures, only 20-36% of organizations that have attempted to implement a TQM program have achieved some sort of significant or even tangible improvements in quality, productivity, competitiveness or financial return. So why is this much hailed management tool failing to live...

This manual describes a Stata program gllamm that can estimate Generalized Linear Latent and Mixed Models (GLLAMMs). GLLAMMs are a class of multilevel latent variable models for (multivariate) responses of mixed type including continuous responses, counts, duration/survival data, dichotomous,...