Presents a model of meanings in coherent conversation taking the form of a hierarchy of levels of cognitive interpolations between the stream of behavior and archetypal patterns in conversations. A study of indirect responses in conversation is reported which supports the hierarchical structure of the model. (JMF)

While the traditional role of television has been to transmit messages to mass audiences, more recent uses of television which allow face-to-face interaction may lead to new kinds of behavior by the parties involved. In an interactive situation, an individual's two types of tasks are presentational (presenting his own "line" or image)…

Presents the background and rationale for a description of information systems which places typical information retrieval and other types of systems in context with one another. Examples are drawn from various types of information systems, and a typology is derived for identifying useful combinations of data type, retrieval mechanism, and…

A discussion providing a background sketch of theories and research specifically about, or pertaining to, the subject of knowledge utilization in the public education system in the United States is presented. The problem is defined as the question of how and why existing information comes to be considered "useful" by practitioners and how it is…