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Paek, Insu; Han, Kyung T. – Applied Psychological Measurement, 2013
This article reviews a new item response theory (IRT) model estimation program, IRTPRO 2.1, for Windows that is capable of unidimensional and multidimensional IRT model estimation for existing and user-specified constrained IRT models for dichotomously and polytomously scored item response data. (Contains 1 figure and 2 notes.)
Descriptors: Item Response Theory, Computer Software, Computation, Patients
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da Silva, Jose´ Nunes, Jr.; Sousa Lima, Mary Anne; Silva Sousa, Eduardo Henrique; Oliveira Alexandre, Francisco Serra; Melo Leite, Antonio Jose´, Jr. – Journal of Chemical Education, 2014
This paper presents a piece of educational software covering a comprehensive number of topics of chemical kinetics, which is available free of charge in Portuguese and English. The software was developed to support chemistry educators and students in the teaching-learning process of chemical kinetics by using animations, calculations, and…
Descriptors: Kinetics, Computation, Educational Resources, Teaching Methods
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Gallagher, James – Teaching Statistics: An International Journal for Teachers, 2006
This article illustrates that not all statistical software packages are correctly calculating a "p"-value for the classical "F" test comparison of two independent Normal variances. This is illustrated with a simple example, and the reasons why are discussed. Eight different software packages are considered.
Descriptors: Computer Software, Computation, Statistics, Comparative Analysis
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Slaughter, Joseph M.; And Others – Chemical Engineering Education, 1991
Three mathematics software packages, MathCAD, Point Five, and TK Solver Plus, are described and compared. The packages were rated on the accompanying documentation, ease of learning, ease of use, matrix operations, equation solving capability, versatility, use of units, generation of graphs and tables, readability of output, and overall…
Descriptors: Chemical Engineering, Chemistry, College Science, Computation
Campbell, Stephen R.; Cimen, O. Arda; Handscomb, K. – Online Submission, 2009
A widely recognized concern in elementary school mathematics education is that teachers' understanding of the mathematical curricular content generally appears quite fragmented, sparsely connected, and procedurally oriented. This pilot study applies methods of educational neuroscience to investigate and improve preservice teachers' learning and…
Descriptors: Preservice Teachers, Elementary School Mathematics, Mathematics Education, Numbers