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Longford, N. T.; Muthen, B. O. – Psychometrika, 1992
A two-level model for factor analysis is defined, and formulas for a scoring algorithm for this model are derived. A simple noniterative method based on decomposition of total sums of the squares and cross-products is discussed and illustrated with simulated data and data from the Second International Mathematics Study. (SLD)
Descriptors: Algorithms, Cluster Analysis, Computer Simulation, Equations (Mathematics)

Sorkin, Sylvia J. – Mathematics and Computer Education, 1991
Presented is a way to provide students with a review and an appreciation of the versatility of pointers in data structures by improvising with binary trees. Examples are described using the Pascal programing language. (KR)
Descriptors: Algorithms, College Mathematics, Computer Science Education, Computer Software

Woodruff, Allison Gyle; Plaunt, Christian – Journal of the American Society for Information Science, 1994
Presents an algorithm that automatically extracts words and phrases containing geographic place names or characteristics from a text document and uses them as input to database functions that use spatial reasoning to approximate statistically the geoposition referenced in the text. Preliminary results and future work are discussed. (28 references)…
Descriptors: Algorithms, Automatic Indexing, Computer System Design, Evaluation

Diamond, Ted – Internet Research, 1994
The federal Escrowed Encryption Standard (EES) has been opposed by civil liberties advocates and the computer industry. The author argues that the standard does not threaten privacy as long as its use remains voluntary, alternative forms of encryption are allowed, and the power of government to intercept transmission is kept in check. (20…
Descriptors: Algorithms, Civil Liberties, Coding, Computer Networks

Bijleveld, Catrien C. J. H.; de Leeuw, Jan – Psychometrika, 1991
An alternating least squares method for iteratively fitting the longitudinal reduced-rank regression model is proposed. For social and behavioral science applications, the developed algorithm does not rely on the assumption of multinomial errors and allows for scaling of input and output variables. (SLD)
Descriptors: Algorithms, Behavioral Science Research, Cross Sectional Studies, Equations (Mathematics)

Molto, Mavis; Svenonius, Elaine – Information Processing and Management, 1991
Study results indicate that it is feasible to develop automatic name recognition algorithms to distinguish character strings representing names from other character strings occurring in English language titles. This finding offers cautious promise for alleviating some of the labor intensive work of cataloging. (16 references) (Author/SD)
Descriptors: Algorithms, Cataloging, Computer System Design, Expert Systems

Olson, Alton T. – Journal of Computers in Mathematics and Science Teaching, 1991
Following a short introduction on the rationale and purpose for using algorithmic structures in the teaching of algebra, two topics from elementary algebra are presented in relation to control structures from computer programing, specifically: the multiplication of polynomials defined in terms of nested loops, and the distributive property…
Descriptors: Algebra, Algorithms, Computer Assisted Instruction, Instructional Materials

Dence, Joseph B.; Dence, Thomas P. – Mathematics Teacher, 1993
Presents an algorithm to estimate pi by approximating a unit circle with a sequence of inscribed regular polygons. Demonstrates the application of the algorithm with a hand-held calculator and an Apple computer. Provides a program to calculate pi in Pascal programing language. (12 references) (MDH)
Descriptors: Algorithms, Area, Calculators, Computation

Johnson, Jeffrey G.; And Others – Educational and Psychological Measurement, 1996
The extent to which adolescents diagnosed with one or more personality disorders through the Personality Diagnostic Questionnaire-Revised were at an elevated risk of substance abuse was studied with 441 undergraduates. Those with one or more personality disorders showed higher levels of psychiatric symptomatology and substance use. (SLD)
Descriptors: Adolescents, Algorithms, At Risk Persons, Behavior Disorders
Vadaparty, K.; And Others – 1994
This paper presents the implications of an ongoing project on the design and development of multimedia instructional material for teaching and learning computer science topics at both graduate and undergraduate levels. Important pedagogical requirements that CAI software should satisfy include: (1) animation of the changes in tree topologies; (2)…
Descriptors: Algorithms, Animation, Computer Assisted Instruction, Computer Science Education
Palmer, Don; And Others – 1994
This book provides a comprehensive collection of 66 teaching strategies and ideas to help overcome problems with number, each linked to a specific kind of error described in the related manual. Most of these strategies are classroom-ready and easily implemented. Some are notes for the teacher to read and then plan activities accordingly, and many…
Descriptors: Algorithms, Arithmetic, Educational Diagnosis, Elementary Education
Cipra, Barry – What's Happening in the Mathematical Sciences, 1993
This document consists of the first two volumes of a new annual serial devoted to surveying some of the important developments in the mathematical sciences in the previous year or so. Mathematics is constantly growing and changing, reaching out to other areas of science and helping to solve some of the major problems facing society. Volumes 1 and…
Descriptors: Algorithms, Biology, Classification, Coding
Mason, Diana – 1995
Incident identification graphs can be used to diagnose areas of difficulty in a subject's problem-solving schema at the episodic level. In this study, 22 subjects (2 experts and 20 novices) categorized into five problem-solving groups (expert, high algorithmic/high conceptual, low algorithmic/high conceptual, high algorithmic/low conceptual, and…
Descriptors: Algorithms, Chemistry, College Students, Higher Education
Losee, Robert M., Jr. – 1993
A model of mono- or multimedia document structure is proposed consistent with the notion that there should be few changes in subject between one document passage and adjacent passages, where a passage may be a phrase, sentence, or paragraph. An algorithm for ordering passages in a composition is provided which is optimal given only a concern for…
Descriptors: Algorithms, Communication (Thought Transfer), Computer Assisted Instruction, Discourse Analysis
Optimal Assembly of Educational and Psychological Tests, with a Bibliography. Research Report 98-05.
van der Linden, Wim J. – 1998
The advent of computers in educational and psychological measurement has lead to the need for algorithms for optimal assembly of tests from item banks. This paper reviews the literature on optimal test assembly and introduces the contributions to this report on the topic. Four different approaches to computerized test assembly are discussed:…
Descriptors: Algorithms, Computer Assisted Testing, Educational Testing, Equated Scores