@article{oai:barrel.repo.nii.ac.jp:00001164, author = {Ogasawara, Haruhiko}, issue = {1}, journal = {商学討究 : The Economic Review (Otaru University of Commerce)}, month = {Jul}, note = {論説}, pages = {1--23}, title = {Asymptotic Standard Errors of IRT Equating Coefficients Using Moments}, volume = {51}, year = {2000} }