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    Examination of pre-service science teachers' perceptions and understanding of evolution in relation to socio-demographic variables
    (2012) Akyol, Gülsüm; Tekkaya, Ceren; Sungur, Semra
    This study explored pre-service science teachers' understanding and acceptance of evolution and their perceived necessity of introducing evolution into elementary science classes in relation to some socio-demographic variables. A total of 415 pre-service science teachers completed the background characteristics survey, evolution content knowledge test and measure of acceptance of the theory of evolution. Canonical correlation analysis demonstrated that pre-service science teachers with well-educated parents, females, and those with high levels of interest in evolution tended to have higher levels of understanding and acceptance of evolution compared to others. © 2011 Published by Elsevier Ltd.
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    Modeling the interrelationships among pre-service science teachers' understanding and acceptance of evolution, their views on nature of science and self-efficacy beliefs regarding teaching evolution
    (2012) Akyol, Gülsüm; Tekkaya, Ceren; Sungur, Semra; Traynor, Anne
    This study proposed a path model of relationships among understanding and acceptance of evolution, views on nature of science, and self-efficacy beliefs regarding teaching evolution. A total of 415 pre-service science teachers completed a series of self-report instruments for the specified purpose. After the estimation of scale scores using unidimensional IRT models, path analysis suggested that sophisticated views on NOS were associated with higher levels of both understanding and acceptance of evolution, and the higher level of understanding of evolution was related to the higher level of acceptance of evolution. Besides, higher levels of both understanding and acceptance of the theory and naïve views on NOS were found to be associated with stronger self-efficacy beliefs for teaching evolution effectively. © 2012 The Association for Science Teacher Education, USA.
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    Relationships among teachers’ knowledge and beliefs regarding the teaching of evolution: a case for Turkey
    (BioMed Central Ltd., 2012) Tekkaya, Ceren; Akyol, Gülsüm; Sungur, Semra
    The research study investigated the possible associations among science and biology teachers' knowledge and belief variables concerning teaching evolution in science and biology classes. Specifically, this study examined how a set of variables including teachers' understanding of evolution and nature of science (NOS) is related to the set of variables including teachers' acceptance of evolution and perceptions of teaching evolution (i.e., perceptions of the necessity of addressing evolution in their classrooms, perceptions of the factors that impede addressing evolution in their classrooms, and personal science teaching efficacy beliefs regarding evolution). Data were collected from science and biology teachers through administration of Evolution Content Knowledge Test, Measure of Acceptance of the Theory of Evolution, Nature of Science as Argument Questionnaire and Teachers' Perceptions of Teaching Evolution Scale. Canonical correlation analysis findings suggested that teachers who had thorough understanding of evolution and NOS were likely to both accept the scientific validity of evolution and believe the necessity of addressing evolution in the classrooms. On the other hand, teachers with thorough understanding of evolution and NOS did not necessarily believe that they have a stronger sense of self-efficacy beliefs regarding teaching evolution and that there are fewer obstacles to addressing evolution in the classroom. The research is significant in that it provides empirical evidence clarifying the interactions between teachers' understanding and beliefs in teaching evolution. Implications for science teacher education are discussed.
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    The contribution of cognitive and metacognitive strategy use to students' science achievement
    (2010) Akyo, Gülsüm; Sungur, Semra; Tekkaya, Ceren
    This study examined the differences in the level of 7th-grade Turkish students' cognitive and metacognitive strategy use (rehearsal, elaboration, organization, critical thinking, and metacognitive self-regulation) in science and investigated the contribution of cognitive and metacognitive strategy use to students' science achievement. The present study also explored the relationships between students' background characteristics (gender, prior knowledge, socioeconomic status) and their cognitive and metacognitive strategy use and science achievement. The statistical analyses revealed significant differences in the level of students' cognitive and metacognitive strategy use scores. Besides, elaboration, organization, and metacognitive self-regulation strategy use were found to make a significant contribution to students' science achievement. Moreover, prior knowledge, parents' educational level, number of reading materials at home, frequency of buying a daily newspaper, presence of a separate study room, and presence of a computer with internet connection at home were significantly associated with cognitive and metacognitive strategy use and science achievement. © 2010 Taylor & Francis.