PERBEDAAN TINGKAT KONSENTRASI SEBELUM DAN SESUDAH ADANYA BISING AKIBAT AKTIFITAS PERLINTASAN KERETA API PADA SISWA DI SEKOLAH DASAR NEGERI 067240 KECAMATAN MEDAN TEMBUNG KOTA MEDAN TAHUN 2015
ABSTRACT: Discomfort can occur
in the environment of school, one of them is the noise. Noise that occurs when
subjects ongoing impact on the learning process, which is one of the disruption
of the concentration of students. The research was conducted at the State
Primary School 067240 Medan Tembung District which aims to find out the
difference in the level of concentration towards the students before and after
the noise due to railway crossings.
This method of this research is pre-experimental design by using one group
and pre-test post-test. The sample of this research is also using purposive sampling
technique which consists of 58 students. The level of noise was measured by
using a Sound Level Meter and level of concentration of students was measured
using a Stroop Test. Data analysis is using non-parametric statistical tests
(Wilcoxon tes t) and Parametric Test (paired t-test) at the 95% significance
level.
The results showed that in general the average noise level in the classroom
before and while the train passed the railway crossing exceeds the quality
standards that have been established in the amount of 55 dB. Other results also
showed that the results of interference score of students before the railroad crossing
with a mean of 13,59 and after the railway crossing at 17,40. This indicates
that the concentration of students has decreased when compared with pretest
posttest. Based on the test results of wilcoxon test is known, there are the differences
in the level of concentration towards the students before and after the noise
due to railway crossing (p. = 0,001).
Based on the results of this research are expected to the school in order
to reduce the noise while is coming from the rail traffic. Such as the
installation of blind or curtain on the window class, the use of firm window on
the outside wall towards the class which is passing of the train tracks, and
the use of noise dampening vegetation.
Penulis: irma damayanti, indra
chahaya, taufik ashar
Kode Jurnal: jpkesmasdd150227
