Suggests that researchers of counseling effects adopt methods of assessing and representing clients' cognitive structures. A variety of methods are presented, some of which are illustrated in a brief case report. The advantages and limitations of the methods presented are discussed. (Author/JAC)

Discusses impact of three selected command language facilities (positional or free text operations, crossfile searching, term frequency analysis--ZOOM) on the man-system interface in relation to operational online information retrieval (IR). A cognitive IR model, searchers' knowledge structures, and searching with different types of command…

Proposes a framework that identifies the components of number sense and the attributes of students who possess it. Discusses various aspects of three areas where number sense plays a key role: number concepts, operations with numbers, and applications of number and operation. (MDH)