Introduction to bifactor polytomous item response theory analysis
2017 ◽
Vol 60
◽
pp. 41-63
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2014 ◽
Vol 18
(3)
◽
pp. 153-167
2011 ◽
Vol 48
(1)
◽
pp. 98-100
◽
A note on monotonicity of item response functions for ordered polytomous item response theory models
2018 ◽
Vol 71
(3)
◽
pp. 523-535
◽