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Abstract Details

Activity Number: 518
Type: Contributed
Date/Time: Wednesday, August 1, 2012 : 10:30 AM to 12:20 PM
Sponsor: Section on Government Statistics
Abstract - #306845
Title: Linking the Teacher's Attitude Toward Job Condition 2003--04 Scale to 2007--08 Scale Using Concurrent Calibration
Author(s): Weiwei Cui*+
Companies: National Institute of Statistical Sciences
Address: 1990 K St NW-Suite 500, Washington, DC, 20006, United States
Keywords: IRT ; Concurrent Calibration ; Linking ; Teachers' Attitude toward Job Condition ; School and Staff Survey
Abstract:

Measuring changes in teachers' attitude toward job condition over time is of great interest to educational researchers and policy makers. Results from different survey administrations must be based on a common scale in order to make valid comparisons. Scales can be linked to scales from previous surveys via linking procedure, such as concurrent calibration. In this study, teachers' responses to their job conditions collected via School and Staff Survey in 2003-04 and 2007-08 are linked to a common IRT scale by concurrent calibration procedure. Responses from the two survey administrations are scaled together in one single calibration run by specifying that the two samples are coming from two different populations. After scaling, teachers' attitude toward job condition scale can also be transformed to reporting metrics by setting the mean and standard deviation of the reporting metrics.


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