A development and IRT scaling of academic aptitude test items for assessing Japanese language writing abilities

Research Project

Project/Area Number	22720203
Research Category	Grant-in-Aid for Young Scientists (B)
Allocation Type	Single-year Grants
Research Field	Japanese language education
Research Institution	Yamaguchi University
Principal Investigator	OSAWA Koichi 山口大学, 大学教育機構, 講師 (20555320)
Project Period (FY)	2010 – 2012
Project Status	Completed (Fiscal Year 2012)
Budget Amount *help	¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000) Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000) Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000) Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords	日本語論述試験 / 項目反応理論 / 得点等化 / 大学入学適性試験 / 言語論述能力
Research Abstract	In this study (1) academic aptitude test items for assessing Japanese language writing abilities were developed based on a survey of the correlations amongst motivation for learning, academic aptitudes and skills required in higher (university) education and (2) psychometric method based on item response theory (IRT) to scale multiple ratings data with statistical adjustment of raters effects in calibrating examinees ability and item parameters was investigated through the attention of applying the results to large scale educational assessments such as EJU and JLPT requiring test score equating.

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(4 results)