The article discusses different types of failure in mathematics and relates them to the problem of learning disability, and presents and examines specific data on the attainments and characteristics of learning disabled children. (DLS)

The structure of art as a symbol system is composed of three dimensions: observer, process, and product. Each dimension is described, discussed, and its application to art therapy illustrated through the case study of a 12-year-old boy suffering from a progressive neurological disorder. (LSR)

Studied whether there were differences between using anatomically correct dolls, drawings, or verbal descriptions in the accuracy and completeness of sexual abuse information using girls (N=45) ages 9 to 10. Determined children in group using either dolls or drawings obtained more correct responses than those in the verbal group, but the…

Examines issues of concern to social workers dealing with undocumented aliens: consequences of exclusion of undocumented Mexican immigrants from service delivery systems, the problem of confidentiality, unique stresses faced by immigrants and their families, and development of appropriate intervention strategies. Contains 50 references. (SV)

Reports on a cooperative venture between the United States and Canada to increase telephone directory recycling. Includes discussion of market expansion, collection of directories, company efforts, building on a base, and broadening environmental commitment. Provides a model of a directory recovery program. (MCO)

Presents results of CAMCE (Computer-Aided Multimedia Courseware Engineering) project research concerned with definition of a methodology to describe a systematic approach for multimedia courseware development. Discussion covers the CAMCE methodology, requirements of an advanced authoring environment, use of an object-based model in the CAMCE…

Evaluates the performance of different methods of data compression coding in several situations. Huffman's code, arithmetic coding, fixed codes, fast approximations to arithmetic coding, and splay coding are discussed in terms of their speed, memory requirements, and proximity to optimal performance. Recommendations for the best methods of…

Researchers received 256 ideas from 141 Long Island, New York, school districts that had resulted in cost savings. From these, 75 were classified into 10 areas and printed in booklet form. Cites examples in financial management, transportation, risk management, personnel practices, facilities management, purchasing, support services, and food…

Proposes a method of accurately predicting neighborhood population through the idea of a neighborhood life cycle that draws a connection between the overall projected population and the specific demographic characteristics of individual neighborhoods. (MLF)

Considers Stephen Jay Gould's writings on the nature of history, specifically on the relationship between science and history. Addresses the scientific method, the foundations and procedures of historical explanation in science, history as contingency, and evolution as history. (CMK)

Critically analyzes an article by Jan Klabbers, focusing on methodological, epistemological, and ontological viewpoints. Examines the reasoning process whereby the actor approach model of learning environments is derived from the machine approach model; looks at claims of differentiation between rationalism and historicism, and the distinction…

Describes PRONET (PROcedural NETworks), an integrated exploratory sequential data analysis technique that uses Pathfinder network scaling to highlight frequently occurring transitions among user, system, and environmental events. Illustrates the success and limitations of the method through two case studies. Thirteen figures highlight protocols of…

Longitudinal research produces more reliable evidence concerning causality by gathering data directly from participants, preintervention and postintervention, utilizing 1 or more follow-up studies at the conclusion. The process of surveying at different points in time ameliorates direction-of-effect problems. While there are considerable benefits…

This article describes the historical origins and development of a series of well-known study strategy inventories and seeks to identify their conceptual bases. The theories and evidence influencing the development of 6 contrasting instruments are considered before examining empirical evidence of similarities and differences between the…

The purpose of this investigation was to evaluate a methodology for analyzing the interactive effects of two different antecedent variables on child noncompliance in an outpatient clinic. Phase 1 of this study consisted of antecedent manipulations to identify situations that occasioned problematic behaviors (i.e., presence or absence of the…