Comparison of pulmonary function test results before and after exercise in junior high school students

Background During exercise, bronchoconstriction occurs due to heat loss from mucosal respiratory ract. Exercise test can be performed to evaluate hyper-reactivity of the bronchus. The examination of pulmonary function is beneficial to confinn the diagnosis, to determine precipitating factors, and to evaluate disease severity and therapeutic response.Objective To compare pulmonary function test values before and after exercise in junior high school students aged 13 to 15 years.Methods Experimental study of 60 junior high school students from Bilah Hulu was performed using spirometry to evaluate pulmonary function before and after eight minutes of exercise. Results Functional vital capacity (FVC) values before and after eight􀁅minute exercise were 2.20 (SD 0.52) and 2.18 (SD 0.42), respectively. There was no significant difference between FVC values before and after exercise (P>0.05). The mean forced expiratory volume in 1 second (FEV 1) values before and aftereight minutes of exercise were 2.21 (SD 0.42) and 2.13 (SD 0.50) respectively. There was no significant difference between FEV 1 before and after the exercise (P>0.05).Conclusion Eight􀁅minute exercise does not influence the pulmonary function test results in healthy children.

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Volleyball Smash Learning Model for Middle School Students

Budapest International Research and Critics in Linguistics and Education (BirLE) Journal ◽

10.33258/birle.v2i4.512 ◽

2019 ◽

Vol 2 (4) ◽

pp. 238-244

Author(s):

Weni Wiliya Budiarti ◽

Achmad Sofyan Hanif ◽

Samsudin Samsudin

Keyword(s):

High School ◽

High School Students ◽

Junior High School ◽

Junior High ◽

Learning Model ◽

Junior High School Students ◽

P Value ◽

School Students ◽

Before And After ◽

The Difference

This research was conducted to produce a volleyball smash learning model and test its effectiveness for junior high school children. The development method adopts the development steps of Borg and Gall. Small group trials involve 15 athletes and 60 for large group trials. The development of the model begins with small trials, large trials and effectiveness tests. The effectiveness test used pre-post test with the instrument of the volleyball smash skills of junior high school students. The exercise model that was applied was tested for the significance of the difference and it was obtained that the t-test = 31,614, db = 32 and p-value = 0.00 <0.05, meaning that there were significant differences in the ability of students before and after they were given the volleyball smash learning model. It was concluded that existing moddel could be developed and applied in volleyball smash learning and effectively improved volleyball smash learning outcomes for junior high school students.

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MENGEMBANGKAN DISPOSISI MATEMATIS SISWA SMP MELALUI PENDEKATAN PROBLEM POSING

Jurnal Sosial Humaniora Sigli ◽

10.47647/jsh.v2i1.131 ◽

2020 ◽

Vol 2 (1) ◽

pp. 1-7

Author(s):

Cut Man Farisyah

Keyword(s):

High School ◽

High School Students ◽

Junior High School ◽

Junior High ◽

Mathematics Learning ◽

Junior High School Students ◽

Problem Posing ◽

School Students ◽

Learning Mathematics ◽

Before And After

Learning mathematics is not only aimed at developing mathematical cognitive abilities, but also for developing affective domains. One important aspect in the affective domain that is very influential and determines success in learning mathematics is the positive view of students on mathematics or in mathematics learning called mathematical disposition. A student who has a high disposition will be more persistent and resilient in facing mathematical problems that are more challenging and will be more responsible for their own learning and always develop good habits in mathematics. The problem posing approach which in the learning process requires students to ask questions and make their solutions is expected to be able to change students 'views of mathematics to be more positive, while also improving students' mathematical abilities. This study aims to examine the differences in the levels of mathematical disposition of junior high school students before and after learning through the problem posing approach. The type of research is experimental research with the design of one group pre-test post-test design. The population in this study were all VII grade students of Bandar Baru 1 Junior High School, with research samples of class VII2 students selected through random sampling techniques. The instrument used to obtain the research data was a mathematical disposition scale questionnaire sheet. The statistical test used to analyze data on differences in mathematical disposition of junior high school students before and after learning through the problem posing approach is paired t-test. The results showed that there were significant differences in the level of mathematical disposition of junior high school students before and after learning through the problem posing approach. This means that students' mathematical dispositions get better after they get a problem posing learning approach. Keywords: Mathematical Disposition, Problem Posing Approach

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The Effectiveness of Digital Science Scrapbook on Studentsâ€™ Science Visual Literacy

Jurnal Pendidikan IPA Indonesia ◽

10.15294/jpii.v10i1.27130 ◽

2021 ◽

Vol 10 (1) ◽

pp. 121-126

Author(s):

I. U. Wusqo ◽

M. Khusniati ◽

S. D. Pamelasari ◽

A. Laksono ◽

D. Wulandari

Keyword(s):

High School ◽

High School Students ◽

Junior High School ◽

Digital Literacy ◽

Visual Literacy ◽

Junior High ◽

Junior High School Students ◽

School Students ◽

Before And After ◽

Quasi Experimental

This study aims to examine the effects of digital science scrapbook on studentsâ€™ science visual literacy. Digital science scrapbook was designed to teach junior high school students, and the instrument was designed to measure the level of visual literacy before and after the treatment. This study employed a quasi-experimental one-group pretest-posttest design. The population was junior high school students. The convenience sampling method was chosen to carry out the pilot study on 25 students in SMP 9 Salatiga. The visual literacy course was based on the ACRL Visual Literacy Competency Standards. The differences in visual literacy levels were measured through 30 items of the visual literacy test. After conducting paired sample t-test on the data, differences between pretest and posttest were found. From the findings, significant differences in pretest and posttest scores were found. It can be concluded that digital science scrapbook is effective to train digital literacy in science. The novelty of this research is the use of digital science scrapbook on studentsâ€™ science visual literacy.

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