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Comparison of IRT Observed-Score and True-Score 'Equatings.' [microform] / Frederic M. Lord and Marilyn S. Wingersky
Bib ID 5431925
Format BookBook, MicroformMicroform, OnlineOnline
Author
Lord, Frederic M
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1983 
38 p. 
Summary

Two methods of 'equating' tests using item response theory (IRT) are compared, one using true scores, the other using the estimated distribution of observed scores. On the data studied, they yield almost indistinguishable results. This is a reassuring result for users of IRT equating methods. (Author)

Notes

Sponsoring Agency: Office of Naval Research, Arlington, VA. Personnel and Training Research Programs Office.

Contract Number: N00014-80-C-0402.

Researchers.

May also be available online. Address as at 14/8/18: https://eric.ed.gov/

Reproduction Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive. 
Subjects Comparative Analysis.  |  Equated Scores.  |  Estimation (Mathematics)  |  Latent Trait Theory.  |  Measurement Techniques.  |  Reliability.  |  Scores.  |  Statistical Analysis.  |  True Scores.
Form/genre Reports, Research.
Other authors/contributors Wingersky, Marilyn S., author  |  Educational Testing Service, Princeton, NJ
Available From ERIC 
000 01934cam a22004212u 4500
001 5431925
005 20181019101230.0
007 he u||024||||
008 080220s1983    xxu ||| bt    ||| | eng d
035 |9(ericd)ED236207
037 |aED236207|bERIC
040 |aericd|beng|cericd|dMvI
088 |aETS-RR-83-26-ONR
091 |amfm
100 1 |aLord, Frederic M.
245 1 0 |aComparison of IRT Observed-Score and True-Score 'Equatings.'|h[microform] /|cFrederic M. Lord and Marilyn S. Wingersky.
260 |a[Washington, D.C.] :|bDistributed by ERIC Clearinghouse,|c1983.
300 |a38 p.
500 |aSponsoring Agency: Office of Naval Research, Arlington, VA. Personnel and Training Research Programs Office.|5ericd
500 |aContract Number: N00014-80-C-0402.|5ericd
520 |aTwo methods of 'equating' tests using item response theory (IRT) are compared, one using true scores, the other using the estimated distribution of observed scores. On the data studied, they yield almost indistinguishable results. This is a reassuring result for users of IRT equating methods. (Author)
521 8 |aResearchers.|bericd
530 |aMay also be available online. Address as at 14/8/18:|uhttps://eric.ed.gov/
533 |aMicrofiche.|b[Washington D.C.]:|cERIC Clearinghouse|emicrofiches : positive.
650 1 7 |aComparative Analysis.|2ericd
650 1 7 |aEquated Scores.|2ericd
650 0 7 |aEstimation (Mathematics)|2ericd
650 1 7 |aLatent Trait Theory.|2ericd
650 0 7 |aMeasurement Techniques.|2ericd
650 0 7 |aReliability.|2ericd
650 1 7 |aScores.|2ericd
650 0 7 |aStatistical Analysis.|2ericd
650 1 7 |aTrue Scores.|2ericd
655 7 |aReports, Research.|2ericd
700 1 |aWingersky, Marilyn S.,|eauthor.
710 2 |aEducational Testing Service, Princeton, NJ.
856 4 1 |uhttps://eric.ed.gov/?id=ED236207
984 |aANL|cmc 2253 ED236207|d77000000242208
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