Dynamic factor models have been used to analyze continuous time series behavioral data. We extend 2 main dynamic factor model variations--the direct autoregressive factor score (DAFS) model and the white noise factor score (WNFS) model--to categorical DAFS and WNFS models in the framework of the underlying variable method and illustrate them with…

The present study evaluated the effects of both a traditional lecture and the conservative dual-criterion (CDC) judgment aid on the ability of 6 university students to visually inspect AB-design line graphs. The traditional lecture reliably failed to improve visual inspection accuracy, whereas the CDC method substantially improved the performance…

Four papers address issues related to behavioral training approaches to help mentally retarded persons secure competitive employment. In the first, a combination of role-playing, modeling, and response feedback was systematically applied to accelerate appropriate responses of a 33-year old moderately retarded male to criticism, humor, and…