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Educational Testing Service

Sampling errors limit the accuracy with which forms can be linked. Limitations on accuracy are especially important in testing programs in which a very large number of forms are employed. Standard inequalities in mathematical statistics may be used to establish lower bounds on the achievable inking accuracy. To illustrate results, a variety of equating problems are considered. (Contains 1 table.)

Descriptors: Testing Programs, Equated Scores, Sampling, Accuracy, Error of Measurement, Test Items, Evaluation Problems, Testing Problems

Educational Testing Service. Rosedale Road Mailstop 19R, Princeton, NJ 08541-0001. Tel: 609-921-9000; Fax: 609-734-5410; Web site: http://www.ets.org





Autor: Haberman, Shelby J.

Fuente: https://eric.ed.gov/?q=a&ft=on&ff1=dtySince_1992&pg=1390&id=ED523781



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