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Rimon, Jonathan – Educational and Psychological Measurement, 1979
A computer program written in BASIC is described which performs one-way analysis of variance based on the mean, standard deviation, and size of each group. Output lists a full analysis of variance table. (Author)
Descriptors: Analysis of Variance, Computer Programs, Data Analysis

Lewis, Mary A.; Boone, James O. – Educational and Psychological Measurement, 1979
Restriction in range is a measurement problem frequently encountered in research studies that utilize correlation coefficients. A FORTRAN program is described that can compute the estimated unrestricted correlation coefficient in either the explicit or implicit case. The user selects the appropriate formula to be employed from five that are…
Descriptors: Computer Programs, Correlation, Data Analysis, Measurement

Pascale, Pietro J.; Smith, Joseph – Educational and Psychological Measurement, 1986
This paper presents a BASIC microcomputer program that constructs the Tukey (1977) stem and leaf graph. Options within the LEAF program include a modified stem and leaf where the stem is split and a parallel stem and leaf graph where two separate sets of data are displayed from a common stem. (Author)
Descriptors: Computer Graphics, Computer Software, Data Analysis, Input Output

Ludlow, Larry H.; O'Leary, Michael – Educational and Psychological Measurement, 1999
Focuses on the practical effects of using different statistical treatments with omitted and not-reached items in an item-response theory application. The strategy selected for scoring such items has considerable impact on the interpretation of results for individual or group-level assessments. (Author/SLD)
Descriptors: Data Analysis, Item Response Theory, Scoring, Test Interpretation

De Corte, Wilfried – Educational and Psychological Measurement, 1998
An analytic procedure is presented that estimates the expected benefits of personnel classification decisions for which it is assumed that the available criterion estimates are both equi-correlated and equally valid, with equal quotas for the jobs, and the equal importance of all jobs. The numerical method developed for the estimation is…
Descriptors: Classification, Criteria, Data Analysis, Decision Making

Harwell, Michael – Educational and Psychological Measurement, 1999
Suggests two complementary frameworks for providing validity evidence for rating data. One conceptualizes raters as data collection instruments that should be subject to traditional procedures for establishing validity evidence; the other evaluates studies using raters from an experimental design perspective allowing the assessment of the study's…
Descriptors: Data Analysis, Data Collection, Educational Research, Models
te Marvelde, Janneke M.; Glas, Cees A. W.; Van Landeghem, Georges; Van Damme, Jan – Educational and Psychological Measurement, 2006
The application of multidimensional item response theory (IRT) models to longitudinal educational surveys where students are repeatedly measured is discussed and exemplified. A marginal maximum likelihood (MML) method to estimate the parameters of a multidimensional generalized partial credit model for repeated measures is presented. It is shown…
Descriptors: Foreign Countries, Regression (Statistics), School Effectiveness, Item Response Theory
van der Pas, Suzan; van Tilburg, Theo; Knipscheer, Kees C. P. M. – Educational and Psychological Measurement, 2005
This study focused on two conceptually distinct measures of the filial responsibility expectations of older adults: a vignette technique and an attitude item scale. Data were based on 1,553 respondents aged 61 to 92 years who participated in the Longitudinal Aging Study Amsterdam in 1998 to 1999.The results showed that the item scale had multiple…
Descriptors: Measures (Individuals), Older Adults, Longitudinal Studies, Data Analysis