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Some students could not learn organic chemistry because of the difficulty of its submicroscopic nature. In this study, it was aimed to determine the effect of argumentation-based organic chemistry teaching on high school students' argument construction skills so on their meaningful concept learning. The study was conducted on 14 high school students at a vocational high school in Turkey on organic chemistry topics through 28 hours period based on the case study. The teaching guide's worksheets and students' observation notes were used as data collection tools. Through the application process, the students criticized each of the seven submicroscopic nature of organic chemistry concepts' paintings in big group discussions, then constructed their own arguments. Then the students evaluated the whole process. Content analysis was employed for the data analysis. Argumentation making students criticize the submicroscopic nature of organic chemistry resulted in a qualified student-constructed argument by making them understand the submicroscopic nature so become critical thinkers. Students' process evaluation also underlined that the process made students joyful, motivated, creative, criticizer, and meaningful learners with a differently constructed learning environment. For further studies, different argumentation-based organic chemistry teaching environments could be offered.

The study aimed to examine and compare the science self-regulation skills of gifted and non-gifted students in this study. Survey design, one of the quantitative methods, was utilized in the research. The sample of the study consisted of 263 gifted students enrolled in science and art center and 482 non-gifted students located in the Eastern Anatolia Region of Turkey. Science Self-regulation Scale was used as a data collection tool in the research. Independent samples t-test and one-way analysis of variance were used in the analysis of the data. The findings showed that gifted and non-gifted students had high self-regulation skills towards science. In addition, it was found that although there was no statistically significant difference between the average scores of gifted female and male students on the overall scale, there was a significant difference in the other group. Moreover, while the difference between the mean scores obtained in the dimensions of Refinement, Time Organizing, Organizing, Help Seeking, Metacognitive Self-regulation, and Repetition was in favor of gifted students, it was in favor of non-gifted students regarding the mean scores of critical thinking and effort regulation dimensions. The conclusion and implication were discussed in line with these findings.

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Copyright of Journal of Faculty of Educational Sciences is the property of Ankara University, Faculty of Educational Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Erzincan University Journal of Education Faculty / Erzincan Üniversitesi Egitim Fakültesi Dergisi is the property of Erzincan University Faculty of Education Journal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)