Öz. Bu çalışmada ortaöğretim biyoloji ders kitaplarında yer alan değer ifadelerinin incelenmesi amaçlanmıştır. Bu doğrultuda 9, 10, 11 ve 12. sınıf biyoloji ders kitaplarında yer alan tüm metin ve görseller incelenmiş ve kök değerlerden hangilerinin aktarıldığı, aktarılan değerlerin konu, ünite ve sınıf düzeyine göre dağılımı tespit edilmiştir. Araştırmada 2018-2019 öğretim yılından itibaren Milli Eğitim Bakanlığı tarafından ders kitabı olarak kabul edilen dört kitap incelenmiştir. Veriler döküman incelemesi yoluyla elde edilerek, içerik analizi yöntemi ile çözümlenmiştir. Elde edilen sonuçlara göre biyoloji ders kitaplarında en fazla yer alan değerlerin sırasıyla yardımseverlik, sorumluluk ve vatanseverlik olduğu tespit edilmiştir. Ayrıca ortaöğretim biyoloji ders kitaplarının öğretim programında yer alan on kök değerin tümünü içermediği, aktarılan değerlerin sınıflara ve ünitelere göre orantılı bir dağılım göstermediği ve değerlerle ilgili içeriklerin genellikle telkin ve tavsiye niteliğinde olduğu görülmüştür. Araştırmadan elde edilen sonuçlar olası sebepleri açısından tartışılmış ve değer kavramlarının biyoloji kitaplarında daha fazla yer bulabilmesi için öneriler sunulmuştur.

This study aims to determine the perceptions of the use of scientific process skills of in-service and pre-service teachers working in branches related to science courses in secondary and high schools. Therefore, this research was designed based on a relational survey model and was carried out with 150 science teachers in Turkey and 260 pre-service teachers from two different universities. The Scientific Process Skills Perception Scale was used to measure their perceptions of scientific process skills. An independent sample t-test was applied to compare the difference between the perceptions of scientific process skills of in-service and pre-service teachers. The results showed no significant difference between the two groups. The ANOVA results further showed that the duration of teachers’ service did not make a significant difference in their scientific process skill perceptions. The results of this study revealed that in-service and pre-service teachers should be supported with training to reduce their reservations about using scientific process skills. Keywords: Pre-service science teachers, Scientific process skills perception, Science teachers,

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Smoking has been recognized as one of the most important health problems. Thus, several preventive measures have been taken worldwide in order to reduce smoking. For these measures to be effective, the source of the problem should be thoroughly explored. To this end, this study aims to determine high school students’ smoking behavior and the factors affecting it. In the gathering of data, an interview form was used which was developed by the researchers in accordance with the directives of Planned Behavior Theory. Interviews were conducted according to problem-based interview method. Data were analyzed by using the qualitative data analysis program MAXqda, and was evaluated by using qualitative content analysis method. Findings of the research show that anti-smoking campaigns have been reflected in students’ beliefs towards smoking behavior. Differences between female and male students in terms of the beliefs affecting their smoking behavior were detected. It was seen that having no economic difficulty in accessing cigarettes and the fact that cigarettes are being sold disregarding the age-limit are facilitating factors for students to try smoking. Key words: health education, qualitative content analysis, smoking, theory of planned behavior.

Smoking is a worldwide problem that threatens people’s health. The average age of smokers has decreased with each passing day. Thus, studies focusing on preventing children or teenagers from starting smoking or studies aiming to help people quit smoking are one of the most effective ways of the fight against smoking. In order to prevent smoking behavior of young people it is necessary to thoroughly examine the reasons of such behavior. In this study, smoking behavior of high school students was examined in the framework of Planned Behavior Theory, which is a socio-psychological theory (TPB, Ajzen, 1985). With the structural equation model, which was constructed by taking TPB components into account, factors affecting students’ smoking behavior were determined. Theory of Planned Behavior has explained the smoking behaviors of the participants in 72%. It was seen that the most important TPB component that affects students’ behavior is attitude, which is followed by subjective norm and perceived behavior control, respectively. The results indicate that one should work on attitude first and foremost, and thus on behavioral beliefs in order to make changes in the students’ tendency to smoke, in other words, in their behavior. Key words: health education, smoking, structural equation model, theory of planned behavior.