Article reveals that positive instance errors arose more often from memory deficits and from choice of irrelevant dimensions. Negative instance errors arose when interpreting information about present stimuli and the relevant dimension. (Author)

Holography is one of the most promising methods now under research for the achievement of high bulk storage with fast random access at a reasonable cost. (Author)

The focus of this article is on the human interaction characteristics of an information retrieval system, some design considerations to improve man-machine cooperation, and a research system at Stanford that is exploring some of these techniques. (55 references) (Author/NH)

Provides a detailed account of the various aspects and features of the ERIC system from its beginning in 1966. (Author)

Reliability and validity of the methods used to obtain articles in the literature search were established, and trends in learning research with the retarded were noted. (KW)

This article focuses on storage models for libraries, first considering the Dewey classification system from this perspective and then summarizing more current research carried out under the direction of the author with a grant from the National Science Foundation. (33 references) (Author/NH)

This article describes a number of currently operating systems which have direct relevance for guidance and counseling, and stresses that in developing and using these systems, individual counselors, large guidance oriented units, and guidance and counseling professional associations all have a vital role to play in this development. (Author)

This article describes the five interrelated components of ERIC, a nationwide education information system, while focusing on the products and services of the ERIC Clearinghouse on Higher Education. (Editor/IR)

Examines usage patterns of ELHILL retrieval program of National Library of Medicine's MEDLARS system. Based on sample of 6,759 searches, the study analyzes frequency of various commands, classifies messages issued by system, and investigates searcher error rates. Suggestions for redesigning program and query language are noted. Seven references…

Considers aspects of building, maintaining, and using United States MARC format and other related standards, discussing costs and benefits, MARC and the American National Standards Institute's Z39 standard, effects of MARC on content and processing, compatibility between and within standards, and MARC in practice. Nineteen sources are cited. (EJS)

Presents conceptual framework for organization of factors (independent variables) affecting online bibliographic retrieval. Roles that variables play in research studies are described and examples considering various elements--setting, user, request, database, search system, searcher, search process, search outcome--are provided. Twenty-one…

Briefly discusses the procedures and reference sources employed in locating domestic doctoral dissertations and lists and describes the sources which can be consulted when foreign dissertations must be located and retrieved. (JL)