dgo

dgo is an R package for dynamic estimation of latent characteristics using multilevel Bayesian models. It implements a method for estimating subpopulation-group means from individual-level item response data.

qsurvey

qsurvey is a toolkit for working with the Qualtrics platform and its survey data in R. It focuses on testing and review of surveys before fielding, and analysis of responses afterward. I started qsurvey while staffing MIT PERL.