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Chen, Hui-Jung; She, Jui-Lin; Chou, Chin-Cheng; Tsai, Yeun-Min; Chiu, Mei-Hung – Journal of Chemical Education, 2013
The purpose of this study was to develop a scoring rubric to assess students' manipulation skills and identify students' learning difficulties in conducting organic chemistry experiments. In constructing the scoring rubric, we first analyzed the skills needed in the experiment, then divided the skills into subskills, and finally…
Descriptors: Organic Chemistry, Scoring Rubrics, Science Process Skills, Skill Analysis
Lord, Frederic M. – 1972
An elementary survey of item characteristic curve theory, centered around the problems of individualized (tailored) testing, is presented. Following the introduction, discussions are provided of the following: Test Theory for Itemized Tests; The Guttman Scale; Item Characteristic Curve Theory; An Alternative Model; Specialization, Application, and…
Descriptors: Achievement Tests, Bulletins, Citations (References), Evaluation Methods