The purpose of the study was to examine the effect of brain-based learning approach on attitudes and motivation levels in 8th grade students' science classes. The main reason for examining attitudes and motivation levels, the effect of the short-term motivation, attitude shows the long-term effect. The pre/post-test control group research model was used in this study. The research was conducted with one experimental group and two control groups in 2011-2012 academic years. Totally 57 students, 19 in experimental group, 19 in each control groups participated in this research. The study took place during the teaching of 'cell division and heredity' with of the science class. In the experimental group, students were taught according to the current science and technology curriculum. As a result, using brain-based learning approach the experimental group's success was found to be significant differences in favour of the experimental group. Brain-based learning approach used in the experimental group's achievement test scores of control groups' achievement was determined to be statistically significant difference in favour of the experimental group.

This study was conducted to determine the problems faced by graduate students when conducting scientific research and to make suggestions for solving these problems. The research model was a case study. Semi-structured interviews were conducted with participants in the study with questions about the problems encountered during scientific research in graduate education, recommendations for solutions to these problems, and participants’ experiences in terms of their scientific research knowledge and skills. As a result of the discussions, the participants suggested that courses should be more practical and that there should be more taught courses, so that educators can direct students and facilitate access to resources.

The aim of this study was to investigate the social media addiction of high school students in terms of some variables such as age, class, type of school, gender and daily average internet usage period. Survey method was used in the study. "Social Media Addiction Scale" (SMAS) developed by Tutgun-Unal and "Personal Information Form" prepared by the researcher were used as data collection tools. The data were obtained from a total of 596 students studying in three high schools with different academic achievement level in Kirsehir in Turkey. No significant difference was found in terms of gender variable. When the total scores of high school students on Social Media Addiction Scale are examined, it is determined that the students have "low level of addiction". In addition, it was found that there was a significant relationship between high school students' daily average internet usage time and social media addiction.

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The aim of this study was to investigate the effect of quantum learning model on science teacher candidates' self-efficacy and communication skills. One group pre-test post-test experimental design was performed in the study. The research was carried out with 20 teacher candidates having education in third grade of Division of Science Education in Ahi Evran University. A total of 16 hours' seminar was given to the teacher candidates in the research group about "Quantum Learning Model" and the techniques used in quantum learning model. The application of the research was performed in 8 weeks and in a total of 32 hours with laboratory experiments arranged in accordance with the "Quantum Learning Model" in the course of Science Teaching Laboratory Practices-II. Before and after the experimental studies, "Science Teaching Self-Efficacy Belief Questionnaire" and "Self-Awareness Inventory" were performed on teacher candidates. The obtained data were analyzed by SPSS package program. According to the results of the research, there was no significant difference between the science teacher candidates' science teaching self-efficacy pre-test and post-test mean scores. Between the mean scores of science teacher candidates in science teaching self-efficacy pre-test and post-test, there was a significant difference in favor of post-test.