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| Algorithms | 3 |
| Mathematical Models | 3 |
| Statistical Distributions | 3 |
| Equations (Mathematics) | 2 |
| Automatic Indexing | 1 |
| Bibliographic Databases | 1 |
| Computer Assisted Testing | 1 |
| Goodness of Fit | 1 |
| Multivariate Analysis | 1 |
| Psychometrics | 1 |
| Relevance (Information… | 1 |
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| Journal Articles | 3 |
| Reports - Evaluative | 2 |
| Reports - Research | 1 |
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Peer reviewedLee, Sik-Yum; And Others – Psychometrika, 1989
The frequencies of "m" independent "p-way" contingency tables are analyzed by a model that assumes that the ordinal category data in each of "m" groups are generated from a latent continuous multivariate normal distribution. The model permits analysis of several groups of individuals simultaneously. (TJH)
Descriptors: Algorithms, Equations (Mathematics), Mathematical Models, Multivariate Analysis
Peer reviewedBiru, Tesfaye; And Others – Journal of Documentation, 1989
Discusses the effect of including relevance data on the calculation of term discrimination values in bibliographic databases. Algorithms that calculate the ability of index terms to discriminate between relevant and non-relevant documents are described and tested. The results are discussed in terms of the relationship between term frequency and…
Descriptors: Algorithms, Automatic Indexing, Bibliographic Databases, Mathematical Models
Peer reviewedLuecht, Richard M.; Hirsch, Thomas M. – Applied Psychological Measurement, 1992
Derivations of several item selection algorithms for use in fitting test items to target information functions (IFs) are described. These algorithms, which use an average growth approximation of target IFs, were tested by generating six test forms and were found to provide reliable fit. (SLD)
Descriptors: Algorithms, Computer Assisted Testing, Equations (Mathematics), Goodness of Fit
