We show how to estimate a Cronbach's alpha reliability coefficient in Stata after running a principal component or factor analysis. Alpha evaluates to what extent items measure the same underlying content when the items are combined into a scale or used for latent variable. Stata allows for testing the reliability …

This paper presents the search for a categorizing framework that can be used to identify and discuss teacher quality. Both policy documents on national and European levels and academic literature show a remarkable variation in categories that are used to describe teacher education. As part of a larger …