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Download full textLord, Frederic M. – 1982
Explored are two theoretical approaches that attempt to cope with omitted responses, that is, when an examinee omits (fails to respond to) an item and therefore the item response formula cannot be used. Preliminary considerations are discussed, and it is shown that a conveniently simple application of equivalent items leads to internal…
Descriptors: Guessing (Tests), Latent Trait Theory, Mathematical Models, Maximum Likelihood Statistics
