文档介绍：Comparison of Item Response Theory and Thurstone Methods of Vertical Scaling
Wendy M. Yen; e R. Burket
Journal of Educational Measurement, Vol. 34, No. 4. (Winter, 1997), pp. 293-313.
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Sun Jan 6 19:37:31 2008
Journal of Educational Measurement
Winter 1997, Vol. 34, No. 4, pp. 293-313
Comparison of Item Response Theory and Thurstone
Methods of Vertical Scaling
Wendy M. Yen
e R. Burket
CTBIMcGraw-Hill
Vertical achievement scales, which range fiom the lower elementary grades to high
school, are used pervasively in educational assessment. Using simulated data
modeled after real tests, the present article examines