年度	2018
全部作者	張育瑋
論文名稱	Yu-Wei Chang, Nan-Jung Hsu and Rung-Ching Tsai, 2018.07, An IRT Tree Model with Not-All-Distinct Leaves for Non-Response Modeling. Presented in The 83th Annual Conference of International Meeting of the Psychometric Society (IMPS), Columbia University.