Dealing with Metric Unit Conversion: An Examination of Prospective Science Teachers’ Knowledge of and Difficulties with Conversion
| Autor: | Aslihan Osmanoglu, Emrah Oğuzhan Dinçer |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Knowledge level
Science knowledge of unit conversion 030508 substance abuse Conversion of units prospective science teachers 030209 endocrinology & metabolism unit conversion General Medicine Theory and practice of education metric system Test (assessment) 03 medical and health sciences Units of measurement 0302 clinical medicine Mathematics education Metric (unit) Metric system difficulties with unit conversion 0305 other medical science Psychology Lying LB5-3640 Qualitative research |
| Zdroj: | Science Education International, Vol 29, Iss 3, Pp 174-182 (2018) |
| ISSN: | 2077-2327 |
| Popis: | The aim of this study was to examine prospective science teachers’ knowledge of and difficulties with metric unit conversion. The participants of the study were 73 senior prospective science teachers. In this qualitative study, a measurement test with 14 questions was administered to the participants in order to examine their knowledge of and difficulties with unit conversion. The questions of the test were related to metric measurement units for length, area, volume, and mass as well as to the knowledge of approximate size of a body and some uses of metric units. For the first 11 questions, participants’ answers were evaluated as right or wrong. In order to examine the reasons lying behind their difficulties, their explanations on the last 3 open-ended questions were analyzed. The findings indicated that prospective teachers’ performance on unit conversion was not satisfying in general, and their major difficulties were mainly related to the conversion from gram into microgram, mg into g and ml into cm 3 , dm 3 into mm 3 , gigameter into nanometer, mm 2 into m 2 , and to determining the relation between centigram and dekagram. The implications for the field are discussed in light of the related literature. |
| Databáze: | OpenAIRE |
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