Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 岩原 昭彦,ポリアンナ効果は快刺激における促進効果か? : 処理水準効果による検討,Annual convention of the Japanese Association of Educational Psychology,2189-5538,The Japanese Association of Educational Psychology,1997,39,0,421,https://cir.nii.ac.jp/crid/1390282680772292608,https://doi.org/10.20587/pamjaep.39.0_421