Background: Social experiments frequently exploit data from administrative records. However, most administrative data systems are designed to track earnings or benefit payments among residents within a single state. When an experimental participant moves across state lines, his entries in the data system of his state of origin consist entirely of…

The Educational Resources and Development Center at the University of Connectiicut conducted an evaluation of the Parent-Child Toy Lending Library Program for the towns of East Hartford and Manchester. Because both towns participated in the training program at the same time and a summation of the training program data provides more accurate…

The Educational Resources and Development Center at the University of Connecticut conducted an evaluation of the Parent-Child Toy Lending Library Program for the towns of East Hartford and Manchester. Because both towns participated in the training program at the same time and a summation of the training program data provides more accurate…