Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 光永 悠彦 and 羽藤 由美 and 神澤 克徳,少数カテゴリの併合がパラメタ推定に及ぼす影響,Annual convention of the Japanese Association of Educational Psychology,2189-5538,The Japanese Association of Educational Psychology,2019,61,0,477,https://cir.nii.ac.jp/crid/1390846609815029120,https://doi.org/10.20587/pamjaep.61.0_477