| Type of Document |
Master's Thesis |
| Author |
Swander, Carl Joseph
|
| Author's Email Address |
cswander@vt.edu |
| URN |
etd-033199-230118 |
| Title |
Assessing the Differential Functioning of Items and Tests of a Polytomous Employee Attitude Survey
|
| Degree |
Master of Science |
| Department |
Psychology |
| Advisory Committee |
| Advisor Name |
Title |
| Harvey, Robert J. |
Committee Chair |
| Donovan, John J. |
Committee Member |
| Foti, Roseanne J. |
Committee Member |
|
| Keywords |
- DFIT
- DIF
- Attitude Assessment
- IRT
- Differential Item Functioning
|
| Date of Defense |
1999-03-22 |
| Availability |
unrestricted |
Abstract
Dimensions of a polytomous employee attitude survey were examined for the presence of differential item functioning (DIF) and differential test functioning (DTF) utilizing Raju, van der Linden, & Fleer's (1995) differential functioning of items and tests (DFIT) framework. Comparisons were made between managers and non-managers on the 'Management' dimension and between medical staff and nurse staff employees on both the 'Management' and 'Quality of Care and Service' dimensions. 2 out of 21 items from the manager/non-manager comparison were found to have significant DIF, supporting the generalizability of Lynch, Barnes-Farell, and Kulikowich (1998). No items from the medical staff/nurse staff comparisons were found to have DIF. The DTF results indicated that in two out of the three comparisons 1 item could be removed to create dimensions free from DTF. Based on the current findings implications and future research are discussed.
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| Files |
| Filename |
Size |
Approximate Download Time
(Hours:Minutes:Seconds)
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| 28.8 Modem |
56K Modem |
ISDN (64 Kb) |
ISDN (128 Kb) |
Higher-speed Access |
| |
CSTHESISFINAL.PDF |
438.18 Kb |
00:02:01 |
00:01:02 |
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