Review of recent developments in statistical theories for social sciences highlights Haitun's statistical distributions, Laplace's "Law of Succession" and distribution, Laplace and Bradford analysis of book-index data, inefficiency of frequency distribution analysis, Laws of Bradford and Zipf, natural categorization, and Bradford Law and…

Cybernetic sessions allow for the investigation of several variables concurrently, resulting in a large volume of input compacted into a concise time frame. Three session questions are reproduced to illustrate the variety of ideas generated relative to workshop design. (Author)

Within the large body of literature on attitude change, many diverse and sometimes apparently conflicting findings have been reported. A catastrophe theory model of attitude change that attempts to synthesize many of these diverse findings is proposed. Attitude change is usually monotonic with message content or the strength of the persuasion…

Explores potential of mathematical theory of communication for information science and examines question of how to encode a message at time it is encountered for subsequent recall. Examples of problem, a prototype computer program and experiment, coding as embedding in associational nets, and nature of information are discussed. (Nine references.)…

The cross-levels hypothesis is presented as an explanation for program evaluation failures. It states that the usefulness of evaluation data as feedback for decision making varies inversely with the number of organizational levels between the action the data describe, and the decisions they are intended to influence. To be useful for decision…