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Helmstadter, G. C.; Krus, David J. – Educational and Psychological Measurement, 1982
The Berkeley student evaluation questionnaire by Hildebrand, Wilson, and Dienst was modified to reflect the Whitely-Doyle factorial structure of implicit theories students hold about teaching characteristics of their instructors. Student ratings appear to be valid indicators of teaching competency, admissable as evidence to be used for faculty…
Descriptors: Factor Analysis, Factor Structure, Faculty Evaluation, Faculty Promotion
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Krus, David J.; Krus, Patricia H. – Educational and Psychological Measurement, 1978
The conceptual differences between coded regression analysis and traditional analysis of variance are discussed. Also, a modification of several SPSS routines is proposed which allows for direct interpretation of ANOVA and ANCOVA results in a form stressing the strength and significance of scrutinized relationships. (Author)
Descriptors: Analysis of Covariance, Analysis of Variance, Computer Programs, Multiple Regression Analysis
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Krus, David J.; And Others – Educational and Psychological Measurement, 1976
Description of a computer program performing rotated canonical variate analysis was presented. The program is compatible with the IBM Scientific Subroutines Package. Examples of rotated and unrotated solutions of a sample problem were given, together with their interpretations illustrating the advantages of the rotated solution. (Author)
Descriptors: Computer Programs, Multivariate Analysis, Orthogonal Rotation, Statistical Analysis
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Krus, David J.; Ceurvorst, Robert W. – Educational and Psychological Measurement, 1978
An algorithm for updating the means of variances of a norm group after each computer-assisted administration of a test is described. The algorithm does not require storage of the whole data set, and provides for unlimited, continuous expansion of the test norms. (Author)
Descriptors: Computer Assisted Testing, Computer Programs, Norms, Statistical Data
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Krus, David J.; Liang, Kun-Hsia T. – Educational and Psychological Measurement, 1984
An algorithm for estimation of means and standard deviations or raw scores underlying table values of standard test scores is presented. An application of a computer program, operationalizing the suggested algorithm, is discussed within the framework of a comparison of estimated and known table values for sample Minnesota Multiphasic Personality…
Descriptors: Algorithms, Estimation (Mathematics), Scores, Standardized Tests
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Krus, David J.; Helmstadter, Gerald C. – Educational and Psychological Measurement, 1993
Negative coefficients of reliability, sometimes returned by the standard formula for estimation of the internal-consistency reliability, are neither theoretically nor numerically correct. Alternative strategies for test development in this special case are suggested. (Author)
Descriptors: Estimation (Mathematics), Reliability, Test Construction, Test Use
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Krus, David J.; Helmstadter, Gerald C. – Educational and Psychological Measurement, 1987
The Spearman-Brown (S-B) formula for correction of the split-half coefficient of reliability is discussed as a conceptual precursor of modern formulations of internal-consistency reliability. Derived from the principal components of the product moment coefficient, an alternative S-B formulation facilitates an understanding of internal…
Descriptors: Statistical Analysis, Test Reliability
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Krus, David J.; Lu, Mei-Yan – Educational and Psychological Measurement, 1987
The viability of the FORTRAN computer language and its relationship to other languages (such as PASCAL) were discussed. A library of C language and assembly language FORTRAN-callable subroutines, developed for the use of behavioral science researchers, was introduced. (Author/GDC)
Descriptors: Bias, Comparative Analysis, Computer Software, Programing Languages
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Krus, David J.; Kodimer, Dennis – Educational and Psychological Measurement, 1987
Handlers for interfacing the ScanTron and 2700 Optical Mark Readers with the IBM AT/XT/PC and Tandy 2000/1000/3000 iAPX 88/186/286 based computers were described. Differences between programing an RS232C serial port using BIOS interrupts and directly addressing the Motorola 8550 ART microprocessor were discussed. (Author/LMO)
Descriptors: Data Processing, Input Output, Microcomputers, Minicomputers
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Krus, David J.; Stanley, Maureen A. – Educational and Psychological Measurement, 1985
The Attitudes toward Bilingual Education scale was shown to be valid with respect to its ability to discriminate between proponents of bilingual education and a general population. (The 23-item scale is included). (Author/GDC)
Descriptors: Attitude Measures, Bilingual Education Programs, Elementary Secondary Education, Family Attitudes
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Krus, David J.; Wilkinson, Sue Marie – Educational and Psychological Measurement, 1986
Matrix differencing of data vectors is introduced as a method for computing test variance and is compared to traditional analysis of variance. Applications for computer assisted instruction, provided by supplemental computer software, are also described. (Author/GDC)
Descriptors: Analysis of Variance, Comparative Analysis, Computer Software, Matrices
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Bart, William M.; Krus, David J. – Educational and Psychological Measurement, 1973
With the ordering-theoretic method of item hierarchy construction any array of bivalued item data can be analyzed to determine the item hierarchy structure. (Authors)
Descriptors: Item Analysis, Mathematical Models, Measurement Techniques, Organization
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Krus, David J.; Bart, William M. – Educational and Psychological Measurement, 1974
Descriptors: Item Analysis, Matrices, Multidimensional Scaling, Response Style (Tests)
Peer reviewed Peer reviewed
Krus, David J. – Educational and Psychological Measurement, 1974
Descriptors: Computer Programs, Factor Analysis, Models
Peer reviewed Peer reviewed
Krus, David J.; Ney, Robert G. – Educational and Psychological Measurement, 1978
An algorithm for item analysis in which item discrimination indices have been defined for the distractors as well as the correct answer is presented. Also, the concept of convergent and discriminant validity is applied to items instead of tests, and is discussed as an aid to item analysis. (Author/JKS)
Descriptors: Algorithms, Item Analysis, Multiple Choice Tests, Test Items
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