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Direct linkWollack, James A. – Applied Measurement in Education, 2006
Many of the currently available statistical indexes to detect answer copying lack sufficient power at small [alpha] levels or when the amount of copying is relatively small. Furthermore, there is no one index that is uniformly best. Depending on the type or amount of copying, certain indexes are better than others. The purpose of this article was…
Descriptors: Statistical Analysis, Item Analysis, Test Length, Sample Size
Peer reviewedBudescu, David – Journal of Educational Measurement, 1985
An important determinant of equating process efficiency is the correlation between the anchor test and components of each form. Use of some monotonic function of this correlation as a measure of equating efficiency is suggested. A model relating anchor test length and test reliability to this measure of efficiency is presented. (Author/DWH)
Descriptors: Correlation, Equated Scores, Mathematical Models, Standardized Tests
Utah State Dept. of Employment Security, Salt Lake City. Western Test Development Field Center. – 1981
Research and analysis conducted to determine the effects of reducing the administration time for one or more levels of the Basic Occupational Literacy Test (BOLT) are described. The total usable sample consisted of 2,423 subjects. Data were collected from 23 states from 1978 to 1981. Data came from a variety of sources, including schools and…
Descriptors: Adult Students, College Students, Minority Groups, Occupational Tests
Download full textHambleton, 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
