Item analysis and evaluation using a four-parameter logistic model
The four-parameter logistic model assumes that even high ability examinees can make mistakes (e.g. due to carelessness). This phenomenon was reflected by the non-zero upper asymptote (d-parameter) of the IRT logistic curve. Research on 4PLM has been hampered, since the model has been considered conc...
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| Format: | Article |
| Language: | English |
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Instytut Badań Edukacyjnych
2015-09-01
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| Series: | Edukacja |
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| Online Access: | http://www.edukacja.ibe.edu.pl/images/numery/2015/3-5-swist-4plm.pdf |