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ERIC Number: ED523781
Record Type: Non-Journal
Publication Date: 2010-Oct
Pages: 34
Abstractor: As Provided
Reference Count: 11
Limits on the Accuracy of Linking. Research Report. ETS RR-10-22
Haberman, Shelby J.
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.)
Educational Testing Service. Rosedale Road Mailstop 19R, Princeton, NJ 08541-0001. Tel: 609-921-9000; Fax: 609-734-5410; Web site:
Publication Type: Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: Educational Testing Service