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- BildiriYalnız künye2013THE EFFECT OF 7E MODEL ON ACADEMIC ACHIEVEMENTS AND RETENTION IN THE UNIT ELECTRICITY IN OUR LIFE 6TH GRADE SCIENCE AND TECHNOLOGY COURSE
Turgut, Umit; Gurbuz, Fatih; Salar, Riza; Chova, LG; Martinez, AL; Torres, IC
The aim of this study is to determine the effects of materials based on the 7E learning model on students' achievement and retention of knowledge at unit of Electricity in Our Life in Science and Technology course on elementary school at 6th grade. This study was carried out with 45 sixth grade students in two classrooms of a public elementary school at the second semester of 2011-2012 academic year. In the study, pretest and posttest control and comparison group quasi-experimental is used. One of the classrooms was selected randomly as the experimental group (n=24) and the another as the control group (n=21). While the students in the experimental group were carried out with materials based on 7E learning model, teaching in control group was carried out according to teaching method and models suggested by course books developed based on Science and Technology teaching program and approved by Ministry of Education. As a tool for collecting data both before and after applications, Electricity in Our Life Test was applied on the students in the both groups. In order to test the hypotheses of the study, for dependent and independent groups t test was used. When it was evaluated the data gained from the pretests, it was observed that the groups had the same knowledge level. As a result of the statistical study, it was found out that materials based on 7E learning model support significantly students' achievement and retention level.
- BildiriYalnız künye2013THE ATTITUDES OF PHYSICS TEACHER CANDIDATES TOWARDS THE CONCEPTS IN SPECIAL THEORY OF RELATIVITY AND THEIR EVALUATION DESIGNS
Turgut, Umit; Salar, Riza; Gurbuz, Fatih; Chova, LG; Martinez, AL; Torres, IC
In this study, the viewpoints of physics teacher candidates at undergraduate level towards the concepts in special theory of relativity and the interpretations they made about these concepts were investigated. The attitudes of the teacher candidates towards the concepts in the subject of special theory of relativity were revealed with six open ended questions prepared by the writers who are physics teachers as well. The research is a qualitative study and the study was conducted with eighteen teacher candidates. In this study, case study, one of the methods of qualitative research, was used. The study group of the research was chosen by convenience sampling. The data collected via open ended questions was analysed by descriptive analysis method. According to the results of the study, it was revealed that most of the students have not been introduced to the special theory of relativity and the concepts related to them. It can be stated that the candidates had difficulty with the relativity of time and its reference frame. Most of the teacher candidates could not make the interpretation that the speed of light was the limit speed and no other object could reach that speed.
- MakaleYalnız künye2009Scopus SJRQ2First year Turkish science undergraduates' understandings and misconceptions of light
Yalcin, Mehmet; Altun, Sema; Turgut, Umit; Aggül, Fatma
The present study aims to identify first year Turkish Science undergraduates' understandings and misconceptions of the concept of light and its propagation. For this purpose, an instrument composed of four open-ended questions was developed by the researchers. The diagnostic test was piloted with twenty students and modifications were made prior to the final administration of the test. The content validity of the test questions was assessed by two physics researchers and one lecturer. These questions were administered to a hundred first year undergraduates (aged 16-18) enrolled in the Science Teacher Training Department in Ataturk University in Turkey. In addition, the semi-structured interviews of 30-40 min were conducted with the four students whose responses involved common misunderstanding. All interview records were transcribed and analysed. The findings showed that undergraduates' understanding of light is poor and also they have important and prevalent misconceptions. Identified misconceptions, some of which have been reported in the literature, are discussed qualitatively. The misunderstandings identified were compared with those in the literature. The results have some implications for teaching light, suggesting that a substantial revision of teaching strategies is needed.
AtıfScopus18OpenAlex24
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