Ark, L. v. d., Ligtvoet, R., Marvelde, J. M. t., & Sijtsma, K. Investigating an invariant item ordering for polytomously scored items.
Παραπομπή Chicago StyleArk, L.Andries van der., Rudy Ligtvoet, Janneke M. te Marvelde, και Klaas Sijtsma. Investigating an Invariant Item Ordering for Polytomously Scored Items.
Παραπομπή MLAArk, L.Andries van der., Rudy Ligtvoet, Janneke M. te Marvelde, και Klaas Sijtsma. Investigating an Invariant Item Ordering for Polytomously Scored Items.
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