Institusion
Universitas Kristen Indonesia
Author
Simatupang, Ismenny Martalena
Subject
EDUCATION
Datestamp
2024-08-14 08:24:00
Abstract :
Pelaksanaan praktikum di tengah-tengah sistem pembelajaran online menjadi
tantangan dan kesulitan bagi para pendidik. Bahkan dapat dikatakan bahwa sebagian
besar sekolah tidak melaksanakan praktikum. Oleh karena itu, peneliti melaksanakan
penelitian dengan tujuan untuk: 1) mengetahui peningkatan minat belajar kimia siswa
dengan menggunakan media pembelajaran laboratorium virtual (PhET); 2)
mengetahui persentasi peningkatan minat belajar kimia dengan menggunakan media
pembelajaran laboratorium virtual (PhET). Populasi penelitian ini adalah seluruh
siswa kelas X IPA SMA Negeri 61 Jakarta Tahun Ajaran 2020/2021 dengan sampel
berjumlah 66 siswa yang ditentukan dengan cara purposive sampling, sampel terbagi
menjadi dua kelas yaitu kelas kontrol (IPA 2) dengan menerapkan model
pembelajaran Discovery Learning dan Youtube, sedangkan kelas eksperimen (IPA 1)
menerapkan model pembelajaran Discovery Learning dan laboratorium virtual
(PhET). Instrumen penelitian berupa angket yang telah divalidasi dengan jumlah butir
soal sebanyak 20 pernyataan, menggunakan skala likert sebanyak 4 pilihan jawaban
dari tidak setuju sampai sangat setuju. Hasil uji persyaratan analisis menggunakan
data pre nontest menunjukkan data tidak terdistribusi normal dan bersifat homogen,
sehingga dilakukan uji non parametrik. Uji hipotesis menggunakan uji Wilcoxon dan
diketahui bahwa nilai Signifikan 0,00 < 0.05. Berdasarkan nilai tersebut
menunjukkan terjadinya peningkatan minat belajar kimia siswa melalui penggunaan
media laboratorium virtual PhET. Besar peningkatan minat belajar siswa diukur
dengan melakukan perhitungan n-gain, dan diketahui bahwa besar peningkatan
adalah sebanyak 34% kategori sedang.
Kata kunci: Kimia, Laboratorium virtual, Minat belajar, PhET. / The implementation of practicum in the midst of an online learning system is a
challenge and difficulty for educators. It can even be said that most schools do not
carry out practicum. Therefore, researchers carried out research with the aim of: 1)
knowing the increase in students' interest in learning chemistry by using virtual
laboratory learning media (PhET); 2) determine the percentage increase in interest
in learning chemistry by using virtual laboratory learning media (PhET). The
population of this study was all students of class X IPA SMA Negeri 61 Jakarta
Academic Year 2020/2021 with a sample of 66 students who were determined by
purposive sampling, the sample was divided into two classes, namely the control
class (IPA 2) by applying the Discovery Learning and Youtube learning models. ,
while the experimental class (IPA 1) applies the Discovery Learning and virtual
laboratory (PhET) learning model. The research instrument is a questionnaire that
has been validated with a total of 20 questions, using a Likert scale of 4 answer
choices from disagree to strongly agree. The results of the analysis requirements test
using pre-nontest data showed that the data were not normally distributed and
homogeneous, so a non-parametric test was carried out. Hypothesis testing using the
Wilcoxon test and it is known that the Significant value is 0.00 < 0.05. This shows
that there is an increase in students' interest in learning chemistry through the use of
PhET virtual laboratory media. The increase in students' interest in learning is
measured by calculating the n-gain, and it is known that the increase is as much as
34% which can be classified in the medium category.
Keywords: Chemistry, Virtual laboratory, Interest in learning, PhET