Optional Use of Calculators on a Mathematical Test [electronic resource] : Effect on Item Difficulty and Score Equating / Ida M. Lawrence and Neil J. Dorans.

This paper describes findings from two studies involving optional use of calculators on Scholastic Aptitude Test (SAT) mathematical items. The first study looked at the effects of calculator use on estimates of item difficulty. The second study looked at the effect of calculator use on equating resu...

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	Lawrence, Ida M.
Corporate Author:	Educational Testing Service
Other Authors:	Dorans, Neil J.
Format:	Electronic eBook
Language:	English
Published:	[S.l.] : Distributed by ERIC Clearinghouse, 1994.
Subjects:	Calculators. College Entrance Examinations. Difficulty Level. Equated Scores. Estimation (Mathematics) High School Students. High Schools. Mathematics Tests. Scoring. Test Items.