A theoretical study of two-stage testing
- 1 September 1971
- journal article
- Published by Cambridge University Press (CUP) in Psychometrika
- Vol. 36 (3) , 227-242
- https://doi.org/10.1007/bf02297844
Abstract
When items cannot be answered correctly by guessing, certain two-stage testing procedures are about as effective over the ability range of interest as the “best” up-and-down procedures studied previously. When answers can be guessed correctly 20 percent of the time, no two-stage procedure is found to match the “best” up-and-down procedures over this ability range. Feet-on-the-desk designs for two-stage procedures may produce poor results.Keywords
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