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Download full textWang, Lin; Qian, Jiahe; Lee, Yi-Hsuan – ETS Research Report Series, 2013
The purpose of this study was to evaluate the combined effects of reduced equating sample size and shortened anchor test length on item response theory (IRT)-based linking and equating results. Data from two independent operational forms of a large-scale testing program were used to establish the baseline results for evaluating the results from…
Descriptors: Test Construction, Item Response Theory, Testing Programs, Simulation
Arenson, Ethan – 2000
This paper is the first of a series that will compare estimates of error that arises when state assessments are linked to the National Assessment of Educational Progress (NAEP). Different forms of linkage are discussed. Comparisons are made between whole-sample regression, repeated half-sample replication, bootstrap, and jackknife estimates of the…
Descriptors: Elementary Secondary Education, Equated Scores, Error of Measurement, Estimation (Mathematics)
Johnson, Eugene – 1989
The 1990 National Assessment of Educational Progress (NAEP) will mark the first time that state-level comparisons will be possible with NAEP data. The 1990 data will contain, as a trial component, state-level assessments of eighth graders in mathematics. Mathematics and reading comparisons for fourth graders will be added in 1992. Statistical…
Descriptors: Achievement Tests, Demography, Elementary Education, Elementary School Students
Lee, Guemin; Lewis, Daniel M. – 2001
The Bookmark Standard Setting Procedure (Lewis, Mitzel, and Green, 1996) is an item-response-theory-based standard setting method that has been widely implemented by state testing programs. The primary purposes of this study were to: (1) estimate standard errors for cutscores that result from Bookmark standard settings under a generalizability…
Descriptors: Cutting Scores, Elementary School Students, Elementary Secondary Education, Error of Measurement
Cook, Linda L.; Petersen, Nancy S. – 1986
This paper examines how various equating methods are affected by: (1) sampling error; (2) sample characteristics; and (3) characteristics of anchor test items. It reviews empirical studies that investigated the invariance of equating transformations, and it discusses empirical and simulation studies that focus on how the properties of anchor tests…
Descriptors: Educational Research, Equated Scores, Error of Measurement, Evaluation Methods
Murchan, Damian P. – 1989
The reliability, content validity, and construct validity were compared for two test formats in a public examination used to assess a secondary school geography course. The 11-item geography portion of the Intermediate Certificate Examination (essay examination) was administered in June 1987 to 400 secondary school students in Ireland who also…
Descriptors: Achievement Tests, Comparative Testing, Construct Validity, Content Validity
Cromack, Theodore R. – 1979
The validity, reliability, and item characteristics of the Maine Real Estate Licensure Examination were investigated. Its validity was based on its construction; a task analysis was performed on real estate broker and salesperson jobs, items were written by trained personnel; and the test was reviewed by a panel of experts. Differences in scores…
Descriptors: Certification, Differences, Equivalency Tests, Error of Measurement
