scholarly journals Investigating pre-service science teachers’ laboratory approach choices

2016 ◽  
Vol 8 (1) ◽  
pp. 61 ◽  
Author(s):  
Nurhan ÖZTÜRK GEREN ◽  
Esra BOZKURT ALTAN ◽  
Serhat ERCAN
Keyword(s):  
Science Teachers ◽  
Science Curriculum ◽  
Service Science ◽  
Science Laboratory ◽  
Structured Interviews ◽  
Inquiry Based Learning ◽  
Second Stage ◽  
Two Stages ◽  
The Given ◽  
Selection Of

The main focus of the current study was to determine what kind of laboratory approaches will be designed how this process will be evaluated by pre-service teachers. The study was carried out on the basis of a qualitative paradigm. The study group of the research consisted of 40 pre-service science teachers. In the current study, the application was conducted within the Laboratory Applications in Science I-II courses at two stages. The per stage was conducted in 14 weeks (four hours per weeks). The first stage of the process (14 weeks) started with a theoretical presentation introducing laboratory approaches and was conducted with the guidance of five experiment manuals designed on the basis of different laboratory approaches ranging from a confirmatory laboratory approach to an inquiry-based learning by the researcher. In the second stage, the pre-service teachers were asked to examine the units and objectives of the Science Curriculum Program and then were asked to select a laboratory approach and set the objectives to design an activity manual. The pre-service teachers worked for five weeks to determine the objectives, find the appropriate approach and design an experiment manual in line with the selected approach. Then, each group conducted the laboratory class under the guidance of their experiment manual that they had developed for each week. The data of the study was collected within two periods through the difficulties experienced, skills attained through the process, reflective texts presenting course-related suggestions and semi-structured interviews. It was determined that the students experienced some difficulties in the selection of the laboratory approach for the given topic and the design of experiment manuals; they preferred inquiry-based learning laboratory activities as they were believed to be more effective and administration of experiment manuals to peers were believed to be conducive to professional development.Keywords:Laboratory applications in science, laboratory approaches, pre-service science teachers 

Preparing Pre-Service Teachers for Inquiry-Based Practical Work in Multiple-Deprived Classrooms: A Decoloniality Approach

2019 ◽  
Vol 41 (1) ◽  
Author(s):  
Maria Tsakeni
Keyword(s):  
Teacher Preparation ◽  
Instructional Strategies ◽  
Science Teachers ◽  
Teaching And Learning ◽  
Study Data ◽  
Service Science ◽  
Practical Work ◽  
Pedagogical Issues ◽  
Structured Interviews ◽  
Inquiry Based Learning

Amidst debates on decoloniality in higher education and instructional strategies earmarked for the 21st century in science classrooms, this paper argues for the preparation of teachers who have the epistemic capability to be functional in all school contexts. The study adopts a decoloniality approach and Sen’s Capability Approach to explore the link between pre-service science teacher preparation and the practice of inquiry-based practical work (IBPW) in multiple-deprived classrooms. Inquiry-based learning is an impetus of current reforms and curriculum projects in science education. Practical work is also central to science teaching and learning. The integration of inquiry-based learning and practical work results in IBPW instructional strategies. The implementation of the strategies is filtered through school contextual settings such as material resources and teacher professional identities, which are some of the unmet needs in multiple-deprived classrooms. What is subject to debate in this paper is how teacher training programmes prepare pre-service science teachers to effectively implement IBPW under the adverse conditions of multiple-deprived classrooms. Using one university in the Free State province of South Africa as a case study, data were generated by means of two focus group interviews, each with five final-year pre-service teachers, and semi-structured interviews with two lecturers. Theorising on a decoloniality approach for pre-service teacher preparation in IBPW implementation, the study highlights some epistemic and pedagogical issues that create multiple-deprived classrooms and perpetuate non-inclusivity and injustices.

scholarly journals Which Technologies Do Pre-Service Teachers Prefer to Use While Presenting Their Teaching Skills and for What Purposes Do They Use These Technologies?

2017 ◽  
Vol 7 (3) ◽  
pp. 103
Author(s):  
Fatma Sasmaz Oren
Keyword(s):  
Science Teachers ◽  
Research Data ◽  
Service Science ◽  
Teaching Skills ◽  
Structured Interviews ◽  
Science Courses ◽  
Use Of Technology ◽  
The Subject

This research aims to determine the technologies that pre-service science teachers prefer to use in micro teaching presentations performed for improving their teaching skills and to determine the purposes of using these technologies. For this purpose, the case study model was used in the research. The research was made with some 48 pre-service science teachers. In the research, data was collected from the presentation files the pre-service science teachers had prepared with respect to the microteaching applications, from the instructor’s observation notes on their presentations, from the view form and from the semi-structured interviews. According to the findings obtained from the research, the pre-service science teachers used computers, projection apparatuses, overhead projectors, videos, animations, simulations and microscopes the most in the microteaching applications. The pre-service science teacher’s expressed that they used technology primarily for reasons such as enhancing the comprehensibility of the subject, concretizing abstract subjects, ensuring visuality and saving time. Considering these results, some recommendations were made regarding the use of technology in science courses.

scholarly journals Evaluating the parameters of a mobile maize dryer in practice

2013 ◽  
Vol 61 (6) ◽  
pp. 1779-1784
Author(s):  
Josef Los ◽  
Jiří Fryč ◽  
Zdeněk Konrád
Keyword(s):  
Large Scale ◽  
Electric Energy ◽  
Operating Parameters ◽  
The Czech Republic ◽  
Maize Hybrids ◽  
Post Harvest ◽  
Second Stage ◽  
Energy Intensiveness ◽  
Two Stages ◽  
The Given

The method of drying maize for grain has been recently employed on a large scale in the Czech Republic not only thanks to new maize hybrids but also thanks to the existence of new models of drying plants. One of the new post-harvest lines is a plant in Lipoltice (mobile dryer installed in 2010, storage base in 2012) where basic operational measurements were made of the energy intensiveness of drying and operating parameters of the maize dryer were evaluated. The process of maize drying had two stages, i.e. pre-drying from the initial average grain humidity of 28.55% to 19.6% in the first stage, and the additional drying from 16.7% to a final storage grain humidity of 13.7%. Mean volumes of natural gas consumed per 1 t% for drying in the first and second stage amounted to 1.275 m3 and 1.56 m3, respectively. The total mean consumption of electric energy per 1 t% was calculated to be 1.372 kWh for the given configuration of the post-harvest line.

scholarly journals Coverage of the Sprayed Objects in the Aspect of the Coefficient of the Spray Surfaces

2018 ◽  
Vol 66 (1) ◽  
pp. 9-16
Author(s):  
Beata Cieniawska ◽  
Deta Łuczycka ◽  
Jan Červinka ◽  
Katarzyna Dereń
Keyword(s):  
Significant Influence ◽  
Strong Relationship ◽  
Morphological Features ◽  
Spray Characteristics ◽  
Mutual Relation ◽  
Second Stage ◽  
Laboratory Conditions ◽  
Two Stages ◽  
Selection Of

The aim of the study was to compare the degree of coverage of the sprayed objects with the selected nozzles in the aspect of the characteristics of the sprayed object, determined by the coefficient of the position of the sprayed surfaces. Studies were conducted in two stages, in laboratory conditions, in which the first step was to determine the characteristics of the sprayed objects, and in the second there were conducted the studies of the degree of coverage. Based on the analysis of the obtained results from the first stage it was stated that the studied plants were characterised by great differentiation of morphological features having a significant influence on the parameters of their spray characteristics. Important was the fact that the use of the coefficient of the spray surfaces Wpo, determining the mutual relation of particular sprayed surfaces facilitates the selection of the most appropriate nozzles and treatment parameters in relation with the morphological features of the plant. In the second stage, concerning the studies of the degree of the coverage it was stated that the selected nozzles differed strongly in the degree of coverage of vertical and horizontal objects. Differentiated coverage for particular nozzles had a strong relationship with the coefficient of spray surfaces, except that the dual‑spray nozzles covered the vertical surfaces better compared to the single‑spray nozzles, which covered the horizontal surfaces better.

scholarly journals Determining the Concept of Organic Agriculture Perceptions of Pre-service Classroom and Science Teachers Using Phenomenographic Method

2019 ◽  
Vol 9 (1) ◽  
pp. 188
Author(s):  
Tülay Dizikisa ◽  
Pınar Ural Keleş
Keyword(s):  
Data Collection ◽  
Science Teaching ◽  
Science Teachers ◽  
Organic Agriculture ◽  
Science Curriculum ◽  
Service Science ◽  
Classroom Teachers ◽  
Data Collection Tool ◽  
Phenomenographic Method ◽  
Structured Questionnaire

This study was carried out to determine the perceptions of pre-service classroom and science teachers related to theconcept of organic agriculture. The sample of the study consisted of 85 pre-service teachers, 57 from the Department ofClassroom Teaching and 28 from the Department of Science Teaching in Ağrı İbrahim Çeçen University, in theacademic year of 2016-2017. In the study, a semi-structured questionnaire which includes the statement “To me,organic agriculture means……” was used as data collection tool. In this study, the organic agriculture perceptions ofthe pre-service teachers were determined under five main categories. The ratio of 'natural agriculture, which has thehighest percentage among these categories, is 41% among the pre-service classroom teachers while this ratio is 65%among pre-service science teachers. It is among the recommendations of the study that the subjects related to organicagriculture are removed from the elective courses and placed in the science curriculum.

scholarly journals THE MEANING OF WORK AS A PREDICTOR OF THE INTENTION TO REMAIN/LEAVE AMONG TEACHERS

2018 ◽  
Vol 19 (spe) ◽  
Author(s):  
CAMILA T. HELENO ◽  
LIVIA O. BORGES ◽  
ESTEBAN AGULLÓ-TOMÁS
Keyword(s):  
Turnover Intention ◽  
Design Methodology ◽  
Meaning Of Work ◽  
Technological Education ◽  
Structured Interviews ◽  
Second Stage ◽  
Work Meaning ◽  
Job Opportunities ◽  
Two Stages ◽  
The Relationship

ABSTRACT Purpose: Assessing whether the meanings attributed to the work by teachers from a course of professional technological education (PTE), Human Resource Management (HRM) were predictors of the intention to remain in or to leave employment. Originality/value: There is a gap in the literature about the research of the relationship between working meanings and the turnover intention. Also, the recent expansion of PTE in Brazil was not accompanied by the development of research related to different aspects of the work of the teachers who work in PTE, considering that they act in a context of the historical and cultural devaluation of HRM teachers Design/methodology/approach: We developed a multi-methodological study in two stages: 1. Application of semi-structured interviews; 2. Application of structured questionnaires. Findings: The results of the first stage provided an empirical basis for constructing hypotheses concerning the prevalence of leaving intention and the prediction of this phenomenon by the components of work meaning. The results of the second stage confirmed that the leaving intention was prevalent among most HRM teachers. Also, a valuation of the dignity-humanization, the occupation and a sense of the reality of dehumanization and exhaustion are predictors of the likelihood of the leaving intention. We concluded that, despite the increased job opportunities for teachers in PTE, it does not represent a quality alternative, as well as HRM teachers, considered it a temporary option of work.

Integrated Model for MCDM: Selection Contractor in Malaysian Construction Industry

2014 ◽  
Vol 548-549 ◽  
pp. 1587-1595
Author(s):  
Waled Alzober ◽  
Abdul Razak Yaakub
Keyword(s):  
Decision Making ◽  
Construction Industry ◽  
Construction Projects ◽  
Integrated Model ◽  
Decision Making Process ◽  
Contractor Selection ◽  
Second Stage ◽  
Proposed Model ◽  
Two Stages ◽  
Selection Of

A complex or unstructured problem is based on multi criteria not on a single criterion. A contractor selection problem is a multi-criteria problem. A correct decision-making is required for selecting the appropriate contractor for a construction project. Selection of a contractor is a key decision made by clients and the process of selection a contractor has become an important issue in construction projects. Many multi-criteria techniques have been proposed and applied to such problems solution. This paper aims to propose integrated model for MCDM. The integrated model contains two stages. First stage integrates two MCDM methods are AHP and ANN to prepare a shortlist of the best alternatives. Second stage apply statistical model COP to choose the optimum alternative from the best alternatives in a shortlist. Proposed model for tendering system provides automated a decision-making process that reduces the time and manpower requirements for processing tender

Do Teacher Attitudes Impact TeachingThrough Information Technology

2017 ◽  
Vol 4 (24) ◽  
Author(s):  
Suman Kumari Katoch
Keyword(s):  
Information Technology ◽  
Study Data ◽  
Survey Method ◽  
School Teachers ◽  
Second Stage ◽  
Good Sample ◽  
Two Stages ◽  
Quality Of Research ◽  
Selection Of

Teachers’ styles, and mainly their attitudes, are strong context outcomes, rooted in experience and do not become automatic routine conducts, in the sense that they are developed via very slow interactions and become well established constructs for each individual only after some time. In that sense attitudes can be modified only by each individual, when he/she becomes aware, via elements and evidence, that new postures would be better to deal with the world around. In the present study data regarding the attitude of teachers towards information technology was gathered with the help of survey method. All the school teachers of districts Bilaspur and Hamirpur of Himachal Pradesh constituted the population of the study. In order to ensure high quality of research, selection of a good sample is must. For this purpose sampling was done at two stages. At the first stage 14 schools were selected and in the second stage 150 teachers were selected randomly from the each selected school. Keeping in view the nature of the present study the investigator used the standardized tool, “Attitude towards Information Technology Scales. The reliability of the tool is 0.88. To find out the significance of difference between the various groups ‘t’-test was applied. The findings of the study revealed that gender-wise, locality-wise, school teachers do not differed significantlyin their attitude towards information technology.

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