Issues concerning equating test scores are discussed in an introduction, four papers, and two commentaries. Equating methods research, sampling errors, linear equating, population differences, sources of equating errors, and a circular equating paradigm are considered. (SLD)

This special issue covers recent technical developments in the field of criterion-referenced testing. An introduction, six papers, and two commentaries dealing with test development, test score uses, and evaluation of scores review relevant literature, offer new models and/or results, and suggest directions for additional research. (SLD)

This special issue presents seven papers describing programs for children with behavioral disorders. Among topics addressed are use of role playing to foster social skills, truancy intervention, and cooperative efforts by mental health agencies and public schools. (CL)

The seven chapters of this issue focus on technical qualities of performance assessments and report the findings of systematic empirical inquiries. They add to the body of research that shows that performance assessment, although time consuming and expensive, merits the serious attention of educators. (SLD)