This exploratory study provides a qualitative and quantitative report on the integration of a specific online information system into the science curriculum using authentic tasks in a class setting. It investigates how they use an online information database and tools to create meaning. An in-depth analysis was done to understand students&amp / #8217 / perceptions about the usability of a web-based learning tool used in science course, properties of a web-based learning tool, the quality of the content, and the structure of web-based instruction. It also aimed to explore the effects of the Web-based learning in a science course on students&amp / #8217 / achievement and attitudes toward science learning. The subjects of this study were 51 &Ouml / zel Bilim Okullari students in secondary school (6th, 7th and 8th grades) classes. It was conducted throughout the academic year of 2004-2005. The Science Achievement Test and attitude scales for science learning were given as pre-tests at the begging of academic year. They were given as post-tests and the students were interviewed in groups of five at the end of the academic year. The total time of using the web site of the course was kept by Web log-system. The quantitative findings of the study indicated that there were significant differences between the pre-tests and post-tests of the science achievement test and attitude scale. In addition, there were a positive relationship between the site usage time and achievement and attitude of the students towards science learning. The qualitative findings of this study showed that the amount of information supplied in the web site of the course, access to the Internet, doing assignments and taking online exams played important roles in students&amp / #8217 / science learning. However, the students did not prefer to use e-mails and chat rooms to collaborate with their fiends. They preferred to communicate face to face with their friends, and they preferred SMS because of ease of use. The results and the discussion set out in this study have some important implications for teachers and instructional designers. The study contributes to an understanding of online learning and provides a basis for empirical study of learners performing real educational tasks. The insights gained in this small-scale study will help teachers construct better online learning environments with regard to pedagogy and technological innovation.

This study examined preservice science teachers&rsquo / conceptions about teaching and learning, self-efficacy beliefs, learning approaches and images of themselves as a science teachers. The study was also interested in examining the possible relationships among preservice science teachers&rsquo / conceptions about teaching and learning, learning approaches and self-efficacy beliefs. The study was carried out during 2011-2012 spring semester at three different public universities in Ankara. A total of 208 senior preservice science teachers who were volunteers involved. Data were collected through Draw-A-Science-Teacher-Test Checklist, Teaching and Learning Conceptions Questionnaire, Science Teaching Efficacy Belief Instrument, and The Learning Approach Questionnaire and analyzed by descriptive statistics, paired-sample t-test and canonical correlation analysis. Paired-sample t-test analyses results showed that preservice science teachers prefer constructivist conception more than traditional conception / and meaningful learning approaches more than rote learning approaches. Besides, preservice science teachers were also found to have generally high sense of self-efficacy beliefs in science teaching. Moreover, the results of the DASTT-C showed that preservice science teachers&rsquo / perspectives of science teaching conception is 42.7% student-centered, 7.0% teacher-centered and 50.3% neither student-centered nor teacher-centered. Furthermore, the canonical correlation analysis revealed that the first canonical variate demonstrated that preservice science teachers&rsquo / constructivist conception and traditional conception are associated with their self-efficacy beliefs and learning approaches.

In this study, the contributions of learning motivation, reasoning ability, learning orientation and gender to International Baccalaureate and National Program students&rsquo / mitosis and meiosis achievement was investigated. Participants of the study were 472 ninth grade students from a private high school in Ankara. Two hundred nineteen students (46%) were in International Baccalaureate Program and two hundred fifty three (54%) were in National Program. The study was conducted during the 2006-2007 Spring semester. Prior to the introduction of mitosis and meiosis topics, students&rsquo / motivations toward biology learning (self efficacy, active learning strategies, science learning value, performance goals, achievement goals, learning environment stimulation), formal reasoning abilities and learning approaches were measured by Students&rsquo / Motivation Towards Biology Learning Questionnaire, Test of Logical Thinking Ability scale and Learning Approach Questionnaire respectively. After the topics have been covered, a 20 item Mitosis and Meiosis Achievement Test was used to measure achievement in mitosis and meiosis topics. Multiple regression analysis revealed that achievement was explained in positive direction by formal reasoning ability and in negative direction by active learning strategies and rote learning in National Program classes. Self-efficacy and formal reasoning ability had significant contributions to achievement for International Baccalaureate students. The main predictor of achievement was formal reasoning ability for both International Baccalaureate and National Program students, explaining 4.7% and 10.9% variance respectively. Moreover, while 2.9% of the variance in achievement was explained by self efficacy in International Baccalaureate classes, rote learning explained 2.2% of the variance in achievement in negative direction in National Program classes.

The purpose of this study was to investigate scientific epistemological beliefs, perceptions of constructivist learning environment, attitude towards science, prior knowledge and gender as determinants of students&rsquo / approaches to learning. This study was carried out in 2005-2006 Spring Semester. One thousand, one hundred and fifty two eighth grade students from seven public schools in &Ccedil / ankaya, a district of Ankara participated in this study. Epistemological Beliefs Questionnaire, Constructivist Learning Environment Scale, Learning Approaches Questionnaire and Attitude towards Science Scale were administered to students in order to determine their scientific epistemological beliefs, their perceptions of constructivist learning environments, approaches to learning and attitudes towards science respectively. Descriptive statistics were used in order to explore the general characteristics of the sample. Paired samples t-test was used in order to evaluate the mean difference iv between the scales of the actual and preferred learning environments. Pearson Correlation Analyses and Multiple Regression Analyses were conducted to see the relationships among the variables and the variables that contribute to students&rsquo / meaningful and rote learning approaches. Results of the paired samples t-test showed that the actual learning environments of the students did not adapt their preferences. In fact, students preferred more constructivist learning environments where they have more opportunity to relate science with the real world, communicate in the classroom, take role in the decision making process of what will go on in the lesson to be more beneficial for them, question what is going on in the lesson freely and experience the formulation of scientific knowledge. Pearson correlation analyses, however, showed that students who had meaningful learning orientations had tentative views of scientific epistemological beliefs, positive attitudes towards science, high prior knowledge and perceived their learning environments as constructivist. On the other hand, students who had rote learning approaches had fixed views of scientific epistemological beliefs, positive attitudes towards science and low prior knowledge. In addition, the rote learners perceived their environments as constructivist in all scales except shared control scale. Multiple Regression Analyses by using actual learning environment showed that attitude towards science is the best predictor of both meaningful and rote learning approaches.

This thesis aims to investigate socio-psychological factors that affect foreign language learners&rsquo / pronunciation and focuses on the relationship between in-class injunctive norms for English pronunciation and Fear of Negative Evaluation (FNE). Injunctive norms are a type of social norms that define the expected behavior from the group members and sanctions for disobedience. They are evaluative in their nature. FNE is one of the three components of foreign language classroom anxiety and experienced when a person is in an evaluative situation. For this study, the quantitative data were collected through a questionnaire developed by the researcher and the qualitative data were gathered from the interviews. Freshman students at the Department of Foreign Language Education at Middle East Technical University participated in the study. v The results indicated that speaking with native like or Turkish-like English pronunciation and having some pronunciation mistakes, which are commonly observed in the classroom, are approved according to in-class injunctive norms for English pronunciation. However, if speakers cannot achieve sounding native like when they are trying to emulate native pronunciation, or if they make pronunciation mistakes which are not commonly observed in the classroom or overemphasized by the instructors, these performances are not approved. Speaking with an English pronunciation in the classroom which is not approved according to these norms triggers FNE in the learners. Therefore, learners generally prefer speaking with Turkish-like English pronunciation, which is within the frame of inclass injunctive norms. The results also demonstrated that the pronunciation rules that teachers emphasize become a part of injunctive norms / therefore, teachers have an important role in the determination of these norms.

The purpose of this study is to compare the effects of cooperative learning method and individualistic learning method on learning outcomes and training reactions of adults participating an in-service training course. The study was conducted with 42 adults in pilot study and 92 in main study conducted in a government bank. Subjects were randomly assigned to two pilot study groups and four main study groups. Two different training programs were developed, one for individualistic learning, and the other for cooperative learning in order to test the effect of each method on learning outcomes and training reactions. The content and length of the training programs taught were held constant, and duration of training was totally 15 hours (3 hours in each of the five days). Participants, in all groups, learned the same topic of &ldquo / Structured On-the-Job Training&rdquo / and were taught by the same trainer. Cooperative learning groups worked on the exercises structured with the five basic elements of cooperative learning, and the individualistic learning groups worked as individually with the instructor calling on participants at random. Learning Outcomes Tests were administered at the end of each day to measure cognitive learning outcomes, which learners attained during the Training. Training Reactions Questionnaire was administered at the end of the Training. A significant difference between the cooperative learning group and the individualistic learning group was examined concerning learning outcomes as a result of ANCOVA by using the age as covariate. Subjects in the cooperative learning group had a significantly higher level of Learning Outcomes Test score than did those in the individualistic learning group. However, there was no significant difference between the cooperative learning groups and individualistic learning groups based on their training reactions. This study indicated that cooperative learning appears to be a method of instruction that is well suited to the needs of adult learners. Subjects of the study learned more through the cooperative learning method than individualistic learning method that was used. They responded to training as much positive as their counterparts learning in individualistic learning group. Results of the study suggest that structuring positive social interdependence in the classroom through cooperative learning procedures can be used effectively within adult education and specifically training settings.

The main purpose of this study was to investigate the effects of problem solving approaches on pre-service elementary teachers&rsquo / basic mathematics achievement, problem- solving performance and their self regulated learning. The study was conducted as quasi - experimental design with 110 elementary school pre-service teachers at a public university in Central Anatolia Region in the 2007-2008 academic year during the second semester. The time duration of the study was 12 weeks. Experimental group was instructed by questioning problem solving approach while control group was instructed by traditional problem solving approach. The data were collected through Basic Mathematics Achievement Test, Mathematical Problem Solving Test, Motivated Strategies for Learning Questionnaire, Treatment Evaluation Form, interviews and observation checklists. The quantitative data was analyzed using multivariate analysis of covariance. The results revealed that questioning problem solving approach had a statistically significant effect on pre-service elementary school teachers&rsquo / basic mathematics achievement, problem solving performance, task value, and control of learning beliefs, metacognitive self-regulation and effort regulation. However, there was no statistically significant mean difference between the experimental and control group in terms of intrinsic and extrinsic goal orientation, self-efficacy for learning and performance, test anxiety, rehersal, elaboration, organisation, critical thinking, time and study environment management, peer learning and help seeking. In addition the interview results showed that questioning problem solving approach had developed pre-service teachers&rsquo / skills on Polya&rsquo / s problem solving phase which were devising a plan and looking back. The common opinions among the students about the qustioning problem solving approach that questioning problem solving approach improved their problem solving skills and they learned new ways of solution through class discussions. Moreover, they implied that they learned to think differently.

The purpose of the study was threefold: (1) to determine the factor structure of mathematical thinking at the within-classroom and at the between-classroom level / (2) to investigate the extent of variation in the relationships among different mathematical thinking constructs at the within- and between-classroom levels / and (3) to examine the cross-level interactions among different types of mathematical thinking. Previous research was extended by investigating the factor structure of mathematical thinking in derivative at the within- and between-classroom levels, and further examining the direct, indirect, and cross-level relations among different types of mathematical thinking. Multilevel analyses of a cross-sectional dataset containing two independent samples of undergraduate students nested within classrooms showed that the within-structure of mathematical thinking includes enactive, iconic, algorithmic, algebraic, formal, and axiomatic thinking, whereas the between-structure contains formal-axiomatic, proceptual-symbolic, and conceptual-embodied thinking. Major findings from the two-level mathematical thinking model revealed that: (1) enactive, iconic, algebraic, and axiomatic thinking varied primarily as a function of formal and algorithmic thinking / (2) the strongest direct effect of formal-axiomatic thinking was on proceptual-symbolic thinking / (3) the nature of the relationships was cyclic at the between-classroom level / (4) the within-classroom mathematical thinking constructs significantly moderate the relationships among conceptual-embodied, proceptual-symbolic, and formal-axiomatic thinking / and (5) the between-classroom mathematical thinking constructs moderate the relationships among enactive, iconic, algorithmic, algebraic, formal, and axiomatic thinking. The challenges when using multilevel exploratory factor analysis, multilevel confirmatory factor analysis, and multilevel structural equation modeling with categorical variables are emphasized. Methodological and educational implications of findings are discussed.

The purpose of the study was to analyze preservice science teachers at elementary science teaching and secondary science teaching with respect to their self efficacy beliefs, epistemological beliefs, and attitudes towards science teaching. Preservice elementary science teachers and preservice secondary science teachers who enrolled in Middle East Technical University in Ankara were the sample of this study. Participants of this study were third grade of preservice elementary science teachers and preservice secondary science teachers. The instruments which are, efficacy beliefs, epistemological beliefs, and attitudes towards science, were utilized this study. v The analysis indicated that moderately positive self efficacy beliefs, epistemological beliefs and attitudes towards science teaching were expressed by most of the preservice elementary and secondary science teachers regarding science teaching. Moreover, preservice elementary and secondary science teachers believe that effective teaching can influence their teaching abilities and students&#039 / learning. Furthermore, many preservice elementary and secondary science teachers express a positive attitude toward science teaching. The analysis indicated that there is a relationship between self efficacy beliefs and attitudes towards science teaching in preservice secondary science teachers, and there is another relationship between epistemological beliefs and attitudes towards science teaching in preservice elementary science teachers.

The use of hypermedia for educational purposes gained a great deal of importance for educators. There are many opportunities provided to learners by these environments such as independence from time and place, availability and accessability of the course material, non-linear interaction that provides the learner to regulate his/ her own learning and so on. Although many advantages of hypermedia environment are suggested in the literature, there are also many studies concerning with learning in hypermedia environment concluding that many learners face with problems on these settings. This qualitative study aimed to investigate the affects of three important factors in terms of learning with hypermedia revealed by the literature / cognitive styles, computer competency levels, and domain knowledge levels of the students. To the purpose of the study, participants from a web-enhanced course were selected considering these factors, and interviews and observations were conducted to reveal their learning strategies. Results indicated some differences among the different cognitive style groups of students in terms of their preferred learning strategies. Computer competency levels of the students were also found to be quite important in terms of their patterns to use the hypermedia program. Students&rsquo / prior knowledge levels were also important in this study, since different needs and expectations were revealed related to the domain knowledge levels of the participants. Furthermore, a deep understanding about the behaviors, experiences, feelings, and expectations of the students in an instructional hypermedia environment related to suggested different characteristics were gained at the end of the study.