Poor academic performance can result from single, multiple, interacting, and unknown causes, rather than being an entity with a specific cause and course. It is better to adopt a descriptive approach and define retardation as relative failure on a cluster of socially determined behaviors, varying over cultures and over time. (Author)

An analysis of 43 films produced by children from 7 to 15 years old was performed to develop strategy for investigating how children learn and use symbolic system of film. Anticipated factors were overshadowed by use of commercial television formulas, suggesting strong television influence on development of children's symbolic skills. (MBR)

Young children were grouped according to socioeconomic status determined by their parents' educational level (college, high school, or less). Subjects were assigned tasks on sets of pictures which could be organized on the basis of taxonomic or complementary relations. There were no significant differences in level of recall or clustering.…

The 1987 Carnegie classification of colleges and universities is presented. The classification groups institutions into categories on the basis of the level of degree offered-- ranging from pre-baccalaureate to the doctorate--and the comprehensiveness of their missions. (MLW)

Provides an overview of various types of explosives. Classifies and describes explosives as initiating or primary explosives, low explosives, and high (secondary explosives). Discusses detonating devices, domestic explosive systems, the sensitivity of explosives, explosive reactions, and emergency responses. (TW)

Compared the efficacy of two methods of cluster analysis, the unweighted pair-groups method using arithmetic averages (UPGMA) and Ward's method, for students grouped on intelligence, achievement, and social adjustment by both clustering methods. Found UPGMA more efficacious based on output, on cophenetic correlation coefficients generated by each…

A study of genre fiction classification used circulation data and a patron questionnaire to test whether physically separating fiction into categories will increase use; marking spines with category labels will increase use; use of classified fiction will increase with library size; and classification will increase the number of different books…

Discusses the inclusion of expert systems in library and information science (LIS) education in such areas as library management, classification and indexing, and information retrieval. Emphasis is placed on involvement in developing areas such as programing and knowledge acquisition to create information professionals able to use the new…

Discusses the value of diagnostic classification systems to counseling professionals. Describes the Ecological Diagnostic Classification Plan, an approach to diagnosis that includes the environment as a possible cause of pathology and target of intervention. (Author/KS)

Describes simple, unobtrusive method of determining who uses government publications by analyzing manual check-out circulation data at Arkansas State University. Per capita circulation and cross-tabulation results, analysis by classification number, document circulation and library circulation statistics, and publications that make up more than…

Observation of mothers and their two-year-olds (N=10) in routine, free play, and novel discourse settings suggested that object labelling was more varied in natural than in experimental settings. Basic level tokens were less prevalent and subordinate level term usage was more common in the routine and novel contexts. (Author/CB)

Describes functions comprising task analysis process--inventory, description, selection, sequencing, and analysis--and reviews distinctions between the micro/macro level, top-down/bottom-up, and job/learning task analysis processes. These functions and distinctions are combined into a quasi-algorithm suggesting which of 30 task analysis procedures…

Advocates systems analysis as a first step for documents librarians considering the use of computer based technology, outlines the necessary steps, and cites publications that provide practical instruction. The areas of bibliographic control, collection development and integration, and documents reference service are discussed. (CLB)

This article is the result of author's visit to more than 16 of China's top university libraries, various Academy of Sciences libraries, and National Peking Library during 1984-85 academic year. Topics covered include hardware inventory, software applications development, Chinese ideograph automation, China's library classification system, and…

Examines traditional psychometric approaches to measuring intelligence and recent work by cognitive psychologists to develop a rationale for a non-verbal reasoning test for 10- to 11-year-olds. Recent studies providing basis for analyzing structure of test items are outlined, and benefits of analyzing items at a sub-type level are discussed.…