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Çiftçi, Cansu; Memnun, Dilek Sezgin; Aydin, Bünyamin – Universal Journal of Educational Research, 2019
In this study, it was aimed to reveal the ideas of the secondary sixth and eighth grade students about the concept of decimal via mental images. Moreover, within the scope of this study, the differences between the mental images of the sixth and eighth grade students about the concept of decimal number will be investigated according to their class…
Descriptors: Imagery, Middle School Students, Grade 6, Grade 8
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Memnun, Dilek Sezgin; Ozbilen, Omer; Dinc, Emre – Journal of Educational Issues, 2019
This research aimed to examine the difficulties and failures of eleventh-grade students regarding probability concepts. With this aim, ten different open-ended probability problems were asked to the 142 eleventh-grade students. Each of these problems requires using different basic probability concepts. It is qualitative research, and the data…
Descriptors: High School Students, Grade 12, Probability, Grade 11
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Aydin, Bünyamin; Memnun, Dilek Sezgin; Dinç, Emre; Arsuk, Sevgi; Meriç, Hilal – Journal of Educational Issues, 2019
This study aimed to determine the relationship between routine/non-routine problem-solving achievements and self-regulation skills of seventh-grade students who are educated in Turkey. For this purpose, in the 2016-2017 academic year, 133 seventh-grade students who were randomly selected in Denizli and Bursa provinces were studied. In the scope of…
Descriptors: Self Management, Problem Solving, Correlation, Grade 7
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Memnun, Dilek Sezgin; Sevindik, Fatma; Beklen, Canan; Dinç, Emre – World Journal of Education, 2019
This study aimed to analyze the abstraction process of twelve-grade students' continuity knowledge through the RBC+C abstraction model. With this aim, a semi-constructed interview was conducted with two twelfth-grade students and recorded with a video camera. Two different research problems were addressed in the interview, and the students were…
Descriptors: High School Students, Grade 12, Cognitive Processes, Abstract Reasoning