Jurnal Pendidikan dan Pembelajaran Kimia (JPPK)
Vol 8, No 2 (2019): Jurnal Pendidikan dan Pembelajaran Kimia

Efektivitas Model PLGI untuk Meningkatkan Penguasaan Konsep Siswa pada Materi Garam Menghidrolisis

Angela Merichi Ayu Puspitaningtyas (Unknown)
Nina Kadaritna (Unknown)
Lisa Tania (Unknown)



Article Info

Publish Date
26 Jul 2019

Abstract

This study was aimed to describe the effectiveness of the PLGI model to improve concepts mastery of students on hydrolyzing salt topics. The method in this study was quasi-experiment, a purposive sampling technique was used in determining the samples thus XI MIPA 1 was chosen as an experiment class and XI MIPA 2 was a control class. The data analysis technique uses the non-parametric statistical test, the Mann-Whitney U test. Based on the results of statistical calculation that the average concepts mastery n-gain of the experimental class was 0.76 and the average n-gain control class was moderate, 0.47. The Mann-Whitney U test result showed a significant difference between the average n-gain in the experimental class and the control class with a significant value of 0.000. Based on the results of these studies it can be concluded that the PLGI model is effective to improve the mastery of the concepts of hydrolyzing salt topic.Keywords: hydrolyzing salt, PLGI model, concepts masteryPenelitian ini bertujuan mendeskripsikan efektivitas model PLGI untuk meningkatkan penguasaan konsep oleh siswa pada materi garam menghidrolisis. Desain dalam penelitian ini adalah quasi experiment, pengambilan sampel dipilih dengan teknik purposive sampling, didapatkan kelas XI MIPA 1 sebagai kelas eksperimen dan XI MIPA 2 sebagai kelas kontrol. Teknik analisis data menggunakan uji statistik non parametrik yaitu uji Mann-Whitney U. Berdasarkan hasil dari perhitungan statistik rata-rata n-gain penguasaan konsep kelas eksperimen berkriteria tinggi yaitu 0,76 dan rata-rata n-gain kelas kontrol berkriteria sedang yaitu 0,47. Hasil uji Mann-Whitney U menunjukkan perbedaan yang signifikan antara rata-rata n-gain pada kelas eksperimen dengan kelas kontrol dengan nilai signifikannya 0,000. Berdasarkan hasil penelitian tersebut dapat disimpulkan bahwa model PLGI efektif untuk meningkatkan penguasaan konsep pada materi garam menghidrolisis.Kata kunci: garam menghidrolisis, model PLGI, penguasaan konsephttp://dx.doi.org/10.23960/jppk.v8.i2.201903 

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Journal Info

Abbrev

JPK

Publisher

Subject

Computer Science & IT Decision Sciences, Operations Research & Management Education

Description

Focus and Scope Assessment and evaluation of chemistry learning Chemistry learning technology and innovation Chemistry learning based on Problem Solving, SiMaYang, PJBL, Didactic, Lesson Study, Discovery Learning, etc. HOT-based chemistry learning Inquiry-based learning includes inquiry, structured, ...