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Download full textKolakowski, Donald; Bock, R. Darrell – 1972
The estimation of values of a latent-trait presumed to underlie a given set of item response data is made on the basis of dichotomously scored items utilizing the so-called "normal ogive model" of Lawley and Lord. This model provides an internal scale of measurement, scores which are independent of the particular test items employed, individual…
Descriptors: Ability Identification, Guessing (Tests), Mathematical Models, Measurement Instruments
Johnson, William L.; Nussbaum, Claire – 1984
This document investigates the widely used school climate assessment instrument, the CFK Ltd. School Climate Profile. Part A (General School Climate Factors) was administered by school to a junior high campus (n=257) and a high school campus (n=906) in a major metropolitan area in the Southwestern United States to gather data for administrative…
Descriptors: Data Analysis, Educational Environment, Evaluation, Factor Analysis
Peer reviewedOfir, Chezy; And Others – Multivariate Behavioral Research, 1987
Three frequently used response formats are compared via analysis of covariance structures. The cumulative results based on four data sets provided evidence inconsistent with previous research suggesting that these formats are interchangeable. The semantic-differential format is most preferred while in most cases the Stapel format is least…
Descriptors: Analysis of Covariance, Factor Analysis, Hypothesis Testing, Mathematical Models
Muraki, Eiji; Engelhard, George, Jr. – 1985
Recent developments in dichotomous factor analysis based on multidimensional item response models (Bock and Aitkin, 1981; Muthen, 1978) provide an effective method for exploring the dimensionality of questionnaire items. Implemented in the TESTFACT program, this "full information" item factor analysis accounts not only for the pairwise…
Descriptors: Elementary Education, Estimation (Mathematics), Factor Analysis, Item Analysis
Druva-Roush, Cynthia Ann; And Others – 1994
Methods of adjusting cut scores used in placement decisions are examined empirically. Admission and performance variables are used to study alternate methods of adjusting cut scores for placement in standard and accelerated rhetoric courses in a large university setting, with the predicted variable being success or failure as measured by…
Descriptors: Academic Achievement, Comparative Analysis, Cutting Scores, Decision Making
Hambleton, Ronald K. – 1986
The problem of determining optimal test lengths with fixed total testing time has proved to be a difficult one for criterion-referenced test developers. An algorithm is needed which can be used by test developers to allocate available testing time to maximize the validity of their total criterion-referenced tests or testing programs. To be…
Descriptors: Algorithms, Criterion Referenced Tests, Elementary Secondary Education, Psychometrics
Griffiths, Alan K.; Cornish, Alan G. – 1978
This paper reviews methods which have been used to identify and validate learning hierarchies. Specifically, three methods which reflect the notion of a relatively inviolate sequence are discussed and compared. Two of the psychometric methods compare pairs of skills, the ordering-theoretic method (Bart and Krus) and the test of inclusion (White…
Descriptors: Comparative Analysis, Expectancy Tables, Foreign Countries, High Schools
