Measuring university entrants' previous practical experience: How valid are students' self-reports?

F. Lubben, Marissa Rollnick, B. Campbell, S. Mathabatha
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引用次数: 3

Abstract

ABSTRACT This methodological paper focusses on the measurement of experience with science practical work of students entering university. Two measures of practical experience i.e., perceived and received are presented. Perceived practical experience uses students' self-reported levels of exposure to experimental work while remembered practical experience is established through the extent to which students are able to name and describe the use of standard laboratory apparatus. The paper explores the validity of measuring practical experience through students' self-reports, by establishing statistically the association between their perceived and remembered practical experience. The effect of gender is investigated. The findings show that the two measures describe the same variable, i.e. level of practical experience, and that a significant association exists between the two measures for individual students. Women show a significantly lower level of remembered practical experience, although their perception of involvement in laboratory work is similar to that of men. Implications of the findings are discussed.
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衡量大学新生以前的实践经验:学生自我报告的有效性如何?
摘要:本文是一篇方法论论文,主要研究大学生科学实践工作经验的测量问题。提出了实践经验的两种衡量标准,即感知和接收。感知实践经验使用学生自我报告的实验工作暴露水平,而记忆实践经验是通过学生能够命名和描述标准实验室设备使用的程度来建立的。本文通过建立学生感知和记忆实践经验之间的统计关系,探讨了通过学生自我报告来衡量实践经验的有效性。研究了性别的影响。研究结果表明,这两种测量方法描述了相同的变量,即实践经验水平,并且对于个别学生来说,这两种测量方法之间存在显著的关联。尽管女性对参与实验室工作的感觉与男性相似,但她们对实际经验的记忆水平明显较低。讨论了研究结果的含义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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