本研究构建了化学学科能力的内涵构成及其活动表现与的系统模型；确立了“学习理解、应用实践、迁移创新”导向的化学学科能力要素及其表现指标，基于Rasch模型开发学科能力表现测评工具，获得高中生化学学科能力表现的大样本数据，诊断学生“学习理解、应用实践、迁移创新”导向的化学学科能力表现水平现状，明确在当前课程教学条件下学生化学学科能力发展存在的突出问题，提出促进学生学科能力发展的化学教学改革建议。%Chemistry capabilities include learning comprehension,application practice,migratory inno-vation.Chemistry based on ability and performance evaluation index system model construction,model de-velopment using Rasch disciplinary capacity performance assessment tool for a city high school students chemistry performance evaluation capability,the ability to obtain a high school student chemistry perform-ance of large sample data show between students there are individual differences,group differences and grades.Thus,the high school chemistry teaching should deepen the analysis of the subject ontology,con-cern cognitive development and application value,change the teaching philosophy of subject knowledge, will “to implement the specific knowledge”based teaching into to “promote student awareness of develop-ment”the teaching,in-depth understanding of the nature of discipline,highlighting the subject knowledge and understanding of the development of functional literacy capacity development value;students'cognitive development and academic abilities advanced optimization issues and activities designed to improve;and ex-plicit questioning students'thinking,to build awareness of the model,the promotion of students under-stand the development,improve the ability to discipline.
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