Journal of The Korean Association For Science Education (한국과학교육학회지)
- Volume 13 Issue 2
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- Pages.135-145
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- 1993
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- 1226-5187(pISSN)
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- 2288-8489(eISSN)
Middle School Student's Evidence Evaluation
중학생들의 빛과 그림자에 대한 증거 평가
- Park, Jong-Won (chonnan National University) ;
- Chang, Byung-Gi (Seoul National University) ;
- Yoon, Hyeg-Young (Seoul National University) ;
- Pak, Sung-Jae (Seoul National University)
- Published : 1993.08.30
Abstract
This study investigated student's prior conceptions and evidence evaluation about Light and shadow. One hundred twenty six students were given Explanation-after-choice type Questions to investigate student' prior conceptions and Choicd type Question to identify student's idea about scientific method and characteristics od observation. Forty-four of the 126 students were interviewed to explore student's evidence evaluation. Eighty students (63.5%) thought that the shape of material affected the shape of shadow but the shape of light source did not Only 58.8 precents of all responses were evidence-based responses. Characteristics of evidence affected student's evidence evaluation : student made evidence-based responsed to the accord evidence more frequently than discord evidence. Among evidence-based response to the discord evidence. 35.5% of responses were the case that student felt cognitive conflict or explored other variables by recognizing discord between his/her own ideas and evidence or distort the evidence. Student's idea about characteristics of observation did not affect the evidence evaluation, but student's idea about scientific method affected the evidence evaluation.
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