Exploring the impact of argumentation on pre-service science teachers' conceptual understanding of chemical equilibrium

2016 ◽  
Vol 17 (1) ◽  
pp. 111-119 ◽  
Author(s):  
Mehmet Aydeniz ◽  
Alev Dogan

This study examines the impact of argumentation on pre-service science teachers' (PST) conceptual understanding of chemical equilibrium. The sample consisted of 57 first-year PSTs enrolled in a teacher education program in Turkey. Thirty two of the 57 PSTs who participated in this study were in the experimental group and 25 in the control group. The experimental group students learned the concept of chemical equilibrium through argumentation; the control group students learned the same concepts through business as usual (i.e.lectures, supported by laboratory experiments). The intervention lasted for 12 instructional hours, of which 4 were spent in the laboratory. The chemical equilibrium concept test was administered to both groups of students one week after the intervention. The results show that the experimental group students performed significantly better than then control group students on the chemical equilibrium concept test. The mean difference between two groups is 14.026. This difference is statistically significant at (*p< 0.001). However, the control group students performed significantly better on the comprehensive course final exam.

2020 ◽  
Vol 10 (2) ◽  
pp. 66
Author(s):  
Özge Baş ◽  
Serkan Sevim

The aim of this study is to investigate the effect of making argumentation practices on the conceptual understanding level and decision making styles of pre-service science teachers on socio-scientific subject, genetically modified organisms (GMO). The sample of this study consists of 48 Pre-service science teachers studying in the 2nd grade of the science education department, Faculty of Education, in the 2018-1019 academic year. 24 of the pre-service science teachers are the experimental group and 24 of them are the control group. Case study was used in the study. In the experimental group; within the scope of 5E teaching model; with materials and animations containing Toulmin&#39;s argumentation model; the control group was processed with traditional teaching methods. Conceptual understanding levels of Pre-service science teachers, who constitute the experimental and control groups, about GMO before and after the teaching activities, were measured. As a data collection tool in the research; the open-ended question and likert type scale consisting of 12 items, which are based on GMO, based on expert opinions and have scope validity, is the Knowledge Test on Genetically Modified Products of University Students (KTGMOUS), pre-test and post-test. It was applied as a test. In addition, a five-point Likert-type &quot;Decision-Making Styles Scale&quot; consisting of 24 items was applied to the experimental group in the form of pre-test and posttest. Findings obtained at the end of the study are presented.


2019 ◽  
Vol 18 (2) ◽  
pp. 158-170 ◽  
Author(s):  
Burcu Alan ◽  
Fikriye Kirbağ Zengin ◽  
Gonca Keçeci

In this research the effects of STEM applications, which are aimed to support the integrated teaching knowledge of pre-service science teachers on the problem solving skills of pre-service science teachers were examined. The research was carried out in scope of the mixed method design of convergent parallel design. The research was conducted with pre-service science teachers of experimental group (n=31) and control group (n=31) who were studying at Fırat University. STEM applications including Algodoo were carried out with the pre-service teachers in the experimental group for one term. The data of the research were collected through the problem solving inventory test (PSIT), prospects diaries during the process of the pre-service science teachers in the experiment group. Quantitative data were analyzed using unpaired samples t-test. Statistically significant differences were found in favor of the experimental group when the PSIT post-test scores of the pre-service teachers in the experimental and control groups were analyzed. They said that STEM education is necessary and important for them, much better products arise as a result of gathering different disciplines, but integration of four disciplines is not easy.


2021 ◽  
Vol 17 (32) ◽  
pp. 257
Author(s):  
Isaac Sonful Coffie ◽  
Nutifafa Godson Doe ◽  
Jonah Addai Tabi

Ghana is currently running a new teacher education program for the training of teachers at the pre-tertiary level. At the heart of the new national teacher education program is Supported Teaching in School (STS), the practical school-based component of the teacher education program embedded throughout the whole 4-years. The purpose of this study was to assess the impact of STS in pre-service teacher preparation and identify any possible challenges associated with the program. The study adopted qualitative a case study design, with the main instruments for data collection being interviews and documentary analysis. Data collection was done through individual and focus group interviews, and documentary analysis of Student Reflective Journals. Individual interviews were conducted for six pre-service science teachers and the focus group interview was made up of four pre-service teachers using the Ishikawa or fishbone tool. From the analysis of data done using “topological analysis,” it was revealed that supported teaching in school is impacting on the pre-service preparation in; real classroom exposure giving them firsthand experience of the classroom situation; lesson planning and delivery; teacher professionalism as the pre-service teachers now exposed to traits of the teaching profession and qualities of a good teacher; and classroom management for effective lesson delivery. Particular challenges such as mentor-mentee relationship, lack of proper planning, and insufficient time for observation were identified to militate against the program. It is recommended that, appropriate training and incentives should be given to the mentors to prepare them adequately for the program.


2021 ◽  
Vol 8 (1) ◽  
pp. 21-40
Author(s):  
Fatma Coştu ◽  
Hale Bayram

This research aims at investigating the effectiveness of the Predict-Explain-Observe-Discuss-Explain (PEODE) based laboratory work activities on pre-service science teachers’ science process skills. A quasi-experimental research model with pre- and post-test via control group was employed in the research. The semi-experimental study was based on 46 pre-service science teachers enrolled in the primary Science Education Program a state university. In the research, randomly selected two groups were used, one experimental group (EG; n = 22) and one control group (CG; n = 24). While the control group participated in traditional laboratory activities work, the experimental group took part in the PEODE-based laboratory work activities. Laboratory activities were carried out in both groups for a total of 9 weeks, two hours a week. Science process skills test (SPST) measuring five different scientific process skills were presented to them as pre- and post-test in order to assess pre-service science teachers’ science process skills. The test scores were analyzed quantitatively with a statistical analysis program. At the end of the research, while there was no significant differences total score of the SPST, significant statistical differences were found between the experimental and control groups in "Making Operational Comments" and "Designing the Research" sub-skills.


2016 ◽  
Vol 15 (6) ◽  
pp. 693-705
Author(s):  
Nejla Yürük ◽  
Pınar Eroğlu

The purpose of this research was to compare the effect of conceptual change texts enriched with metaconceptual processes with the effect of refutational and expository texts on pre-service science teachers’ conceptual understanding of heat and temperature. The durability of the effect of the texts on pre-service science teachers’ conceptual understanding was also examined. A pre-test- post-test experimental research design was employed. One hundred and five pre-service teachers who were enrolled in an Elementary Science Teacher Education Program of a public university located in Turkey participated in this research. They were randomly assigned to three treatment groups each of which read a different type of texts. Heat and Temperature Concept Test (HTCT) was administered as a pre-test, post-test and delayed test to assess the participants’ conceptual understanding of heat and temperature concepts. The results show that the conceptual understanding of pre-service teachers who read conceptual change text enriched with metaconceptual processes was significantly better than that of the other groups and this significantly positive effect did not diminish eight weeks after reading the texts. Key words: conceptual change text, metaconceptual processes, heat and temperature, pre-service science teachers.


2015 ◽  
Vol 10 (4) ◽  
pp. 294
Author(s):  
Huseyin Uzunboylu ◽  
Cigdem Hursen

From the EditorsHuseyin Uzunboylu, Cigdem HursenIt is an honor for us to welcome you as Editors of Cypriot Journal of Educational Sciences which has accepted publications indexed in qualified databases since 2006. We are ready to publish the new studies of Cypriot Journal of Educational Sciences which has 5 full length articles written by authors from, Cyprus, Iran and Turkey.The aim of this issue is to give the researchers an opportunity to share their academic studies. First of all, I would like to thank all who have contributed to this issue. There are different focuses. For example, Cihat Demir, Burhan Sincar and Rıdvan Çelik explored to specify the matters encountered by science teachers during the teaching of physics and to provide them with solutions. The study group consisted of 50 science teachers who worked in Diyarbakır and Batman over the period of 2014 - 2015. This research is a descriptive study carried out by content analysis. According to the research findings, the top problems that the physics teachers encountered in physics lesson while processing the topics were laboratory problems. Some solutions have been introduced for science teachers in order to help them provide a better physics education.On the other hand, Parisa Abdolrezapour and Elahe Fallah explored the effect of reflective teaching on learner autonomy and the intrinsic motivation of Iranian upper-intermediate female learners. The subjects included 60 adult upper-intermediate EFL learners chosen out of ninety, based on the scores obtained through administration of the TOEFL exam. They were randomly assigned to two groups: a) the experimental group - taught by a reflective teacher - and b) the control group instructed by an unreflective teacher. The experimental group was then taught by the reflective teacher and the control group was taught by the unreflective teacher who adopted no tangible reflective actions. Finally, both groups sat for motivation and autonomy questionnaires. The results indicate that reflective teaching leads to the enhancement of both learners’ autonomy and the intrinsic motivation level.In addition to these, Nazım Kaşot and Serap Özbaş aimed in their study to assess the egoistic, altruistic and biospheric awareness of the consequence of high school students regarding the loss of bio-diversity, then comparing the results on the basis of some independent variables (gender, class and family income). According to the outcome of the research, students believed in biospheric, egoistic and altruistic results at the similar levels. While the impact of gender and family income on biospheric, altruistic and egoistic awareness of consequence is not so significant, the impact of class is significant on biospheric and altruistic awareness of consequence.Also Nazım Kaşot and Mete Özsezer studied historical environment subjects in elementary school social sciences textbooks.  They focused on the 4th and 5th Grades in the context of both content and visuals. The method of the study analysed has been organised in accordance with the qualitative research. The population was not indicated pursuant to qualitative research and so purposive sampling was implemented. The textbooks used were mainly selected from the afore-mentioned grades and classes. All the data collected were based on the textbooks used during the assessment process. The data was gathered in accordance with the document analysis technique and everything was analysed in detail. The categories used were generated after the authors performed analysis by utilising textbooks. To ensure the validity of the categories, literature scanning was undertaken and expert opinion was taken. The category definitions were written for public access. Finally, Hakan Sarıcam and Üzeyir Ogurlu carried out a study on gifted students. Authors examined the relationships between metacognitive awareness and maths anxiety in gifted students. The second aim was to compare with gifted and non-gifted students’ metacognitive awareness and maths anxiety levels. According to the findings; firstly, gifted students’ metacognitive awareness scores were higher than those of non-gifted students. On the other hand, non-gifted students’ maths anxiety levels were higher than those of gifted students. Secondly, there was negative correlation between metacognitive awareness and math anxiety.I would like to express my thanks to all authors preferring Cypriot Journal of Educational Sciences to make their articles published, all reviewers working seriously in the process of publishing, and also quest editors supporting us in this process.Best regards,Prof. Dr. Huseyin Uzunboylu, Editor-in-ChiefAssist. Prof. Dr. Cigdem Hursen, Executive Editor 


Author(s):  
Fethiye Karsli Baydere

The main purpose of this study was to investigate the effect of the Context-Based Approach (CBA) enriched by Prediction–Observation–Explanation (POE) on 5th grade students’ conceptual understanding of the States of Matter, Heat and Temperature. In this study, quantitative and qualitative data collection methods were employed. The quantitative element used a quasi-experimental design involving a non-equivalent pretest–posttest control group. This research was performed with a total number of 38 (N control group = 18, N experimental group = 20) 5th grade students (aged 10 to 11 years) in a school in a village located in the East Blacksea region in the 2016–2017 academic year. In the study, a two-tier concept questionnaire entitled ‘the States of Matter, Heat and Temperature (SMHTQ)’ and a semi-structured interview were used as data collection tools. In the experimental group, the topics were taught using the CBA enriched with the POE strategy while in the control group the topics were taught using the 5E teaching model (Engage–Explore–Explain–Elaborate–Evaluate) of the constructivist approach. The results indicated that the CBA enriched with the POE strategy was more effective in improving students’ conceptual understanding and reducing students’ alternative concepts than the 5E teaching model on the States of Matter, Heat and Temperature concepts. The results of the study provided helpful information for science teachers and researchers in science/chemistry education since the teaching materials used enriched the learning environment. Similar studies can be applied to different and wider sample groups and concepts.


2020 ◽  
Vol 85 (4) ◽  
pp. 559-573 ◽  
Author(s):  
Baydere Karsli ◽  
Alipaşa Ayas ◽  
Muammer Çalik

The aim of this study was to investigate the effects of using a 5Es learning model on the pre-service science teachers? conceptual understanding and science process skills for ?gases and gas laws?. The sample of the study consisted 49 pre-service science teachers enrolled for the ?Science Laboratory Practices-I? course within the department of science education of a Turkish state university. Through a quasi-experimental research method (pre- and post- -test research design), an experimental group was exposed to the 5Es learning model (engage-explore-explain-elaborate-evaluate) with different conceptual change methods/techniques (i.e., worksheets, computer animations, analogies and experiments). A control group was also taught through existing instruction (e.g., experiments, lecture and question?answer). Data were collected through the gas laws test and the science process skills test. The results of partial eta squared (?2) revealed large-size effects for the control (0.61) and experimental groups (0.73). The 5Es learning model was more effective than the existing instruction in overcoming the pre-service science teachers? alternative conceptions of ?gases and gas laws?, as well as in improving their science process skills. The current study recommends that the 5Es learning model be tested with a larger sample throughout a long-term teaching intervention.


Author(s):  
Hanadi Saud Al-Qurashi

The current study aimed to know the impact of the use of caricatures in teaching science on the academic achievement of the fourth grade primary students in Holy Mecca, in order to achieve the objectives of the study, the researcher used the Semi-experimental curriculum and the experiment has been applied on a sample formed of 50 schoolgirls divided into two groups (25) students for the experimental group, and (25) students for the control group, the experimental group was taught the first and the second chapters of the fourth primary grade science curriculum , using caricatures, while the control group was taught using the traditional way, and the study resulted in: There are differences with statistical significance at the level of(0.05) in dimensional collection between the average of the experimental group degrees (taught using caricatures ) and the average of the control group degrees (taught using the traditional way) of the fourth primary grade science curriculum at the level of remembrance, the level of understanding , and at the application level, attributed to the experimental group. and at the levels of '' remembrance -understanding - application '' combined (total exam mark) , attributed to the benefit of the experimental group. The study recommended the necessity of encouraging science teachers to use caricatures in teaching, and the importance of carrying out similar studies


2019 ◽  
Vol 9 (1) ◽  
pp. 57
Author(s):  
Gokhan Guven ◽  
Yusuf Sulun

The purpose of the current study is to investigate the effect of interdisciplinary approach-based energy instruction on pre-service science teachers’ academic achievement and conceptual understanding regarding the concept of energy. To this end, the current study was designed as a quasi-experimental study in line with the pretest-posttest control group design. The activities related to the concept of energy were conducted by using the interdisciplinary approach and the same activities were conducted by using the methods and techniques based on the existing approaches. A total of 66 pre-service science teachers participated in the study lasting for 10 weeks. In the analysis of the data, ANOVA/Post Hoc Test was used. As a result of the study, it was found that the use of the interdisciplinary instructional approach in teaching the concept of energy increased the pre-service teachers’ academic achievement and conceptual understanding more than the traditional approaches. Thus, it can be suggested that during the instruction of the energy concept, the features of this concept should be taught in a certain developmental order and the interdisciplinary approach should be used in the activities conducted to teach this concept.


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