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Vervoort, G. – School Science and Mathematics, 1977
Provides a metric area model which may be used to explain the square root algorithm. (CP)
Descriptors: Algebra, Algorithms, Educational Media, Instructional Materials

Laursen, Kay W. – Mathematics Teacher, 1978
The author mentions several broad types of student elementary algebra errors, including incorrect cancellation and cross-multiplication, notes confusing terms and factors, and gives several suggestions to help students avoid these. (MN)
Descriptors: Algebra, Algorithms, Error Patterns, Fractions

Nesbit, John C.; Hunka, Steve – Instructional Science, 1987
Proposes a criterion for selecting a sequence of objectives from a learning hierarchy and describes a sequence generating algorithm which is designed to generate a minimal memory load sequence from a learning tree. Its effectiveness in generating low memory load sequences from hierarchies that are not trees is also discussed. (RP)
Descriptors: Algorithms, Computer Assisted Instruction, Educational Objectives, Instructional Design

Dreger, Ralph Mason; And Others – Multivariate Behavioral Research, 1988
Seven data sets (namely, clinical data on children) were subjected to clustering by seven algorithms--the B-coefficient, Linear Typal Analysis; elementary linkage analysis, Numerical Taxonomy System, Statistical Analysis System hierarchical clustering method, Taxonomy, and Bolz's Type Analysis. The little-known B-coefficient method compared…
Descriptors: Algorithms, Children, Clinical Diagnosis, Cluster Analysis

Jung Soon, Ro – Journal of the American Society for Information Science, 1988
Describes and discusses the findings of an experiment that tested the precision of full-text retrieval enhanced by 29 document term weighting algorithms at the lowest, middle, and highest levels of recall, and compared with the precision of full-text retrieval without algorithms and with paragraph retrieval. (29 references) (Author/CLB)
Descriptors: Algorithms, Automatic Indexing, Comparative Analysis, Evaluation Methods

Wisniewski, Janusz L. – Information Processing and Management, 1986
Discussion of a new method of index term dictionary compression in an inverted-file-oriented database highlights a technique of word coding, which generates short fixed-length codes obtained from the index terms themselves by analysis of monogram and bigram statistical distributions. Substantial savings in communication channel utilization are…
Descriptors: Algorithms, Database Management Systems, Databases, Information Retrieval

Carraher, Terezinha Nunes; And Others – Journal for Research in Mathematics Education, 1987
Sixteen Brazilian third graders aged 8-13 were given problems involving multidigit computation. School-taught algorithms were likely to be used in school-taught problems, with little carry-over to real problem situations, but resulted in more incorrect answers. (MNS)
Descriptors: Algorithms, Cognitive Processes, Computation, Educational Research

Bernstein, Lionel M.; Williamson, Robert E. – Journal of the American Society for Information Science, 1984
The Hepatitis Knowledge Base (text of prototype information system) was used for modifying and testing "A Navigator of Natural Language Organized (Textual) Data" (ANNOD), a retrieval system which combines probabilistic, linguistic, and empirical means to rank individual paragraphs of full text for similarity to natural language queries…
Descriptors: Algorithms, Databases, Graphs, Information Retrieval
Sleeman, Derek H. – AEDS Monitor, 1985
Reports results obtained when 24 14-year-old students were presented with algebra tasks by a computer-based modeling system and, four months later, comparable paper and pencil tests together with detailed interviews. Comparison of the results revealed profound misunderstandings of algebraic notation and identified classes of strategies used by…
Descriptors: Algebra, Algorithms, Cognitive Style, Diagnostic Teaching

Tall, David; And Others – Mathematics in School, 1984
Ideas on the long-term effects of using microcomputers in mathematics are presented. The changing perception of mathematics, the role of algorithms, the use of short computer programs, the effects on mathematical understanding, implications for teaching methods, logistic problems, examinations and assessment, and planning for the future are…
Descriptors: Algorithms, Educational Planning, Evaluation, Higher Education

Huba, G. J.; Palisoc, A. L. – Journal of Drug Education, 1984
Presents methodological considerations in developing an automatic cheap algorithm for computerized path diagraming, gives some plotted results, and describes a program which produces the plots from an input matrix of path coefficients on a standard line printer. The program accommodates unidirectional and reciprocal causation and represents…
Descriptors: Algorithms, Computer Oriented Programs, Computer Software, Cost Effectiveness
Chevalier, Shirley A. – 1998
In conventional practice, most educators and educational researchers score cognitive tests using a dichotomous right-wrong scoring system. Although simple and straightforward, this method does not take into consideration other factors, such as partial knowledge or guessing tendencies and abilities. This paper discusses alternative scoring models:…
Descriptors: Ability, Algorithms, Aptitude Tests, Cognitive Tests
Lau, C. Allen; Wang, Tianyou – 2000
This paper proposes a new Information-Time index as the basis for item selection in computerized classification testing (CCT) and investigates how this new item selection algorithm can help improve test efficiency for item pools with mixed item types. It also investigates how practical constraints such as item exposure rate control, test…
Descriptors: Algorithms, Classification, Computer Assisted Testing, Elementary Secondary Education

Lankford, Francis G., Jr. – Arithmetic Teacher, 1974
Descriptors: Algorithms, Computation, Elementary School Mathematics, Fractions

Jencks, Stanley M.; Peck, Donald M. – Arithmetic Teacher, 1972
Descriptors: Algorithms, Elementary School Mathematics, Fractions, Instruction