Relationships between change agent performance and outcome success within the context of group behavioral programs are identified. The evaluation of either the ultimate effectiveness, or the specific change processes in a group program often requires assessing the behavior of the change agents, as well as that of the target population. Five design…

This article introduces this special issue on natural processes involved in spontaneous interactions between children with language disorders and their caretakers. It describes the use of the Child Language Data Exchange System (CHILDES) to study developmental language disabilities by analyzing phonological, morphosyntactic, lexical,…

A problem solving process has been created for analyzing descriptive data obtained from the language transactions between parents and children during a shared reading event. Use of other instruments and observations of videotaped interactions led to a classification of reading event components and to a coding system containing items in the…

Identifies and explains five widespread myths related to the what and how of evaluation in English student teachers. Describes a multiphased cycle or process aimed at helping teachers identify teaching problems, receive data from supervisors, and develop solutions that produce self-directed teachers. (FL)

This paper discusses dynamic/interactive approaches to psychological assessment based on the concept of induced change as a research tactic. Studies are reviewed showing how interactive assessment has yielded new knowledge in psychopathology; neuropsychology; learning disabilities; intelligence testing (in normal, deaf, and immigrant children);…

This paper examines aspects related to the validity of process-product research involving classroom observation and teacher effectiveness. Differences in categories, terminology, and definitions of five classroom observation instruments are delineated and discussed in relation to their various effects on the validity of process-product research…

A synopsis of characteristics of effective English as a second language teachers (in the areas of knowledge, skills, and attitudes) is presented as well as a discussion of appropriate approaches (interaction analysis versus assumed teacher competencies) for evaluating teachers. (Author/CB)