Portrayal of the History of the Photoelectric Effect in Laboratory Instructions |
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| Authors: | Email author" target="_blank">Stephen?KlassenEmail author Mansoor?Niaz Don?Metz Barbara?McMillan Sarah?Dietrich |
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| Institution: | 1.Faculty of Education,University of Winnipeg,Winnipeg,Canada;2.Epistemology of Science Group, Department of Chemistry,Universidad de Oriente,Cumaná,Venezuela;3.Faculty of Education,University of Winnipeg,Winnipeg,Canada;4.Faculty of Education,University of Manitoba,Winnipeg,Canada |
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| Abstract: | The literature on the pedagogical aspects of the photoelectric effect as used in the undergraduate student laboratory shows
that little research has been done in this area. Our current study is an analysis of the instructions in 38, electronically
published laboratory manuals for the photoelectric effect. The analyses were based on history and philosophy of science criteria
that we had developed for evaluating the presentation of the photoelectric effect in introductory, university-physics textbooks.
The results show that writers of laboratory instructions do not pay sufficient attention to the relevant background for the
photoelectric effect. In our study, none of the instructions achieved a score of excellent, only 5% were scored as satisfactory,
and only 7% mentioned the various aspects contained in our criteria. These results for our analysis of laboratory instructions
are significantly less favorable than those achieved for physics textbooks in our previous study. Based on our work, we recommend
that several historical aspects be included in all laboratory instructions for the photoelectric effect. |
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