Prevalence of otitis media with effusion in first and second grade primary school students and its correlation with BCG vaccination

2004 ◽  
Vol 68 (8) ◽  
pp. 1069-1074 ◽  
Author(s):  
Erol Keleş ◽  
İrfan Kaygusuz ◽  
Turgut Karlidaǧ ◽  
Şinasi Yalçin ◽  
Yasemin Açik ◽  
...  
2020 ◽  
Vol 5 (1) ◽  
pp. 7
Author(s):  
Selvi Atesya Kesumawati ◽  
Husni Fahritsani ◽  
Saipul Ambri Damanik

This study aims to produce a model of basic throw through games which is useful for teachers in giving lessons to primary school students. This development model is a procedural development, because it is in accordance with the problem to be solved and the objectives to be achieved. The procedure used includes five main stages, namely: 1) conducting an analysis of the product you want to develop, 2) making an initial product of a model of basic throw through games for primary students, 3) expert validation, 4) field testing, and 5) product revision. The data are qualitative and quantitative data, while the instruments are list question and observations. Data analysis uses percentages to analyze and subject ratings to assess the feasibility, quality and acceptability of the product. The research study in a model of basic throw through games for primary students along with the development of infrastructure, regulations, and playing techniques. The model for developing basic throw through this game is proven to be feasible, of quality, then acceptable for developing the concept skills of game motion and increasing the physical fitness of primary school students, because respondents when playing ball show that the average category is quite good, meaning that this development model is average - can be demonstrated.


Author(s):  
Assel Abdilazim ◽  
Bagzada Auyesbay

In maths classrooms at every level in all countries of the world, students can be observed solving problems. The quality and genuineness of these maths problems has been the theme of many arguments and debates in recent years.In this article we are going to show and compare the performance of primary school students using our experiment. We collected 20 second-grade students and conducted a lesson with traditional way of teaching. At next lesson we had took an examination to check if our students have comprehended the material and  got the results. The next lesson they  were given tasks to pose problems related to the same topic we had learned last time and took  another exam with the same level of difficulty and a slight change of numbers and got the results as well. The change and progress of students impressed us.


2019 ◽  
Vol 10 (2) ◽  
pp. 251-264 ◽  
Author(s):  
Ozlem Ozcakir Sumen

Whole-half-quarter are important mathematical concepts that form the basis of fractions and should be well understood for advancing mathematical topics. The aim of this study is to determine the primary school students' abstraction levels of whole-half-quarter concepts according to RBC theory. The participants of the study are six students (8 age group) from the second grade of primary school. The data of the research which is a case study were collected through worksheets and semi-structured interviews. The data obtained from interviews were analyzed by qualitative data analysis steps. The abstraction levels of students were evaluated according to RBC theory. As a result of the study, it was seen that many of the students could not abstract the whole, half and quarter concepts. It was determined that difficulties of students to abstract the whole-half-quarter concepts resulted from reasons such as not understanding the half and quarter concepts, not being able to divide the whole into two equal parts, not being able to divide one dimensional shapes into half and quarter, generalizing dividing into quarter as putting a "+", not being able to divide into four equal parts for quarter.


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