出版社:International Council of Associations for Science Education (ICASE)
摘要:The problem-solving strategies of students enrolled in general chemistry courses havebeen the subject of numerous research investigations. In most cases, the investigators wereinterested in the specific areas or concepts that posedthe greatest difficulty to astudent's success in achieving the correct answer. However, the investigation reported here is based on a studyof student problem-solving habits that have been classified bythe authors as minor variables: what is the first step that the students complete, how fluent is their work, do they check their work at the end of the process. While these minor variables do not directly evaluateastudent's knowledge of chemistry, the results indicate a clear correlation between those students who are "successful" and those students who are "unsuccessful" on a written exam. The data were obtained via observation during think-aloud sessions held in a Midwestern university in the United States of America. The aim of this study is to give educators an understanding ofthe strategies used by the students as well as provide instructorswith visual cues regarding a student's success in problem solving. Theseproblem-solving habits may not directly affect the student's ultimate solutionof a single problem, but can indirectly influence their overall performance in either a positive or negative manner
关键词:Chemical education; problem solving; ;undergradu;ate;chemistry; ;str;ategies