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Developing a multisource feedback in...

Glenn, Dana M.

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Developing a multisource feedback instrument: A comparison of CTT and IRT.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Developing a multisource feedback instrument: A comparison of CTT and IRT./
Author:	Glenn, Dana M.
Description:	107 p.
Notes:	Adviser: Karla Stuebing.
Contained By:	Dissertation Abstracts International66-11B.
Subject:	Psychology, Industrial. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3194300
ISBN:	9780542393297

Developing a multisource feedback instrument: A comparison of CTT and IRT.
Glenn, Dana M.

Developing a multisource feedback instrument: A comparison of CTT and IRT. - 107 p.

Adviser: Karla Stuebing.

Thesis (Ph.D.)--University of Houston, 2005.

The present study examined the psychometric properties of a multi-source feedback (MSF) instrument by (a) evaluating item parameters for a MSF instrument from classical test theory (CTT) and item response theory perspectives (IRT), (b) comparing item parameters by rater group, and (c) comparing item parameters by performance dimension. Additionally, IRT was used to develop new versions of the MSF instrument designed to assess high-level performance. Analyses were conducted on a sample of 596 developmental MSF ratings from financial service managers. Results showed that CTT and IRT provided similar information regarding item difficulty and item discrimination; however the two approaches identified different items for revision and possible removal. Additionally, results showed that both the self and supervisor versions of the MSF instrument provided the most information at the average level of performance. Moreover, there were no differences in item parameters by rater group or by performance dimension. The present study demonstrated that the level of performance measured by a MSF instrument can vary, suggesting that organizations can utilize IRT to tailor MSF instruments to their needs.

ISBN: 9780542393297Subjects--Topical Terms:

520063
Psychology, Industrial.

Developing a multisource feedback instrument: A comparison of CTT and IRT.
LDR:02081nam 2200277 a 45 001 969867
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035 $a (UnM)AAI3194300
035 $a AAI3194300
040 $a UnM $c UnM
100 1 $a Glenn, Dana M. $3 1293923
245 1 0 $a Developing a multisource feedback instrument: A comparison of CTT and IRT.
300 $a 107 p.
500 $a Adviser: Karla Stuebing.
500 $a Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6321.
502 $a Thesis (Ph.D.)--University of Houston, 2005.
520 $a The present study examined the psychometric properties of a multi-source feedback (MSF) instrument by (a) evaluating item parameters for a MSF instrument from classical test theory (CTT) and item response theory perspectives (IRT), (b) comparing item parameters by rater group, and (c) comparing item parameters by performance dimension. Additionally, IRT was used to develop new versions of the MSF instrument designed to assess high-level performance. Analyses were conducted on a sample of 596 developmental MSF ratings from financial service managers. Results showed that CTT and IRT provided similar information regarding item difficulty and item discrimination; however the two approaches identified different items for revision and possible removal. Additionally, results showed that both the self and supervisor versions of the MSF instrument provided the most information at the average level of performance. Moreover, there were no differences in item parameters by rater group or by performance dimension. The present study demonstrated that the level of performance measured by a MSF instrument can vary, suggesting that organizations can utilize IRT to tailor MSF instruments to their needs.
590 $a School code: 0087.
650 4 $a Psychology, Industrial. $3 520063
650 4 $a Psychology, Psychometrics. $3 1017742
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690 $a 0632
710 2 0 $a University of Houston. $3 1019266
773 0 $t Dissertation Abstracts International $g 66-11B.
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790 1 0 $a Stuebing, Karla, $e advisor
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3194300