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Direct linkYao, Lihua; Boughton, Keith – Journal of Educational Measurement, 2009
Numerous assessments contain a mixture of multiple choice (MC) and constructed response (CR) item types and many have been found to measure more than one trait. Thus, there is a need for multidimensional dichotomous and polytomous item response theory (IRT) modeling solutions, including multidimensional linking software. For example,…
Descriptors: Multiple Choice Tests, Responses, Test Items, Item Response Theory
Download full textKoch, William R. – 1983
The technique of nonmetric multidimensional scaling (MDS) was applied to real item response data obtained from a multiple-choice achievement test of unknown dimensionality. The goal was to classify the 50 items into the various subtests from which they were drawn originally, the latter being unknown to the investigator. Issues addressed in the…
Descriptors: Achievement Tests, Cluster Analysis, Latent Trait Theory, Multidimensional Scaling
Peer reviewedSireci, Stephen G.; Geisinger, Kurt F. – Applied Psychological Measurement, 1992
A new method for evaluating the content representation of a test is illustrated. Item similarity ratings were obtained from three content domain experts to assess whether ratings corresponded to item groupings specified in the test blueprint. Multidimensional scaling and cluster analysis provided substantial information about the test's content…
Descriptors: Cluster Analysis, Content Analysis, Multidimensional Scaling, Multiple Choice Tests
Levine, Michael V. – 1984
Formula score theory (FST) associates each multiple choice test with a linear operator and expresses all of the real functions of item response theory as linear combinations of the operator's eigenfunctions. Hard measurement problems can then often be reformulated as easier, standard mathematical problems. For example, the problem of estimating…
Descriptors: Cognitive Ability, Estimation (Mathematics), Latent Trait Theory, Maximum Likelihood Statistics
Peer reviewedMiller, Timothy R.; Hirsch, Thomas M. – Applied Measurement in Education, 1992
A procedure for interpreting multiple-discrimination indices from a multidimensional item-response theory analysis is described and demonstrated with responses of 1,635 high school students to a multiple-choice test. The procedure consists of converting discrimination parameter estimates to direction cosines and analyzing the angular distances…
Descriptors: Ability, Cluster Analysis, Comparative Analysis, Estimation (Mathematics)
Steinberg, Wendy J. – 1990
The purpose of this study was to examine the nature and degree of differences in expert versus novice knowledge structures, both before and after training, when judging the similarity of multiple-choice test items within a statistics and test theory (STT) domain. Subjects were employees of the Testing Division of the New York State Department of…
Descriptors: Adults, Cognitive Structures, Comparative Testing, Government Employees
