Investigated the ninth-grade students' misconceptions about chemical bonds- A case study of Robat Karim students
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Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:
This study aimed to investigate the misconceptions of ninth-grade students about chemical bonds. The research was a survey. The statistical population included all ninth-grade students of Robat Karim city who were studying in 1401-1400, from which 200 students (100 girls and 100 boys) were selected by random sampling. The instrument was a researcher-made questionnaire consisting of 17 multi-choice questions related to the chemical bonds of the ninth-grade textbook. Two chemistry faculty members of Farhangian University and two science teachers who taught in the ninth grade confirmed the validity of the questionnaire. The obtained reliability of the questionnaire using Cronbach's alpha method was 0.75. The questionnaire was categorized into the concept of chemical bonding, ionic bonding, and covalent bonding. Data were analyzed using SPSS26 software. Results showed that the most misconceptions were related to the lack of understanding of the formation of ionic and covalent bonds. The results of one-way ANOVA analysis showed that in terms of combining dependent variables between girls and boys in independent variables including the concept of chemical bonding (Ƞ2=0.000, p> 0.05, F =8.489), ionic bonding (Ƞ2= 0.000, p> 0.05, F =0.082) and covalent bond (Ƞ2= 0.000, p> 0.05, F =0.367) there is no significant difference.
Language:
Persian
Published:
Journal of Education in Basic Sciences, Volume:8 Issue: 2, 2022
Pages:
39 to 50
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