PENGARUH MODEL PEMBELAJARAN PEMECAHAN MASALAH TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN EFIKASI DIRI SISWA PADA KONSEP HIDROLISIS GARAM.

ABSTRAK

PENGARUH MODEL PEMBELAJARAN PEMECAHAN MASALAH
TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN EFIKASI DIRI
SISWA PADA KONSEP HIDROLISIS GARAM

Penelitian ini bertujuan untuk mencari pengaruh model pembelajaran
pemecahan masalah tipe Gallet terhadap keterampilan berpikir kritis dan efikasidiri siswa pada materi hidrolisis garam. Metode penelitian yang digunakan adalah
kuasi eksperimen dengan desain nonequivalent control group design. Subjek
penelitian 78 siswa kelas XI IPA SMAN 16 kota Bandung, terdiri dari 40 siswa
kelompok eksperimen dan 38 siswa kelompok kontrol. Instrumen yang digunakan
dalam penelitian ini terdiri dari tes keterampilan berpikir kritis, skala efikasi-diri,
skala sikap, pedoman wawancara dan lembar observasi. Analisis data
menggunakan Uji Mann-Whitney dan Uji Korelasi Spearman's rho. Hasil
penelitian menunjukkan bahwa pembelajaran pemecahan masalah dapat
meningkatkan keterampilan berpikir kritis, namun tidak untuk efikasi-diri siswa.
Rerata N-Gain keterampilan berpikir kritis pada kelompok eksperimen sebesar
0,83 (kategori tinggi) dan kelompok kontrol sebesar 0,42 (kategori sedang). Sub
indikator keterampilan berpikir kritis yang mengalami peningkatan tertinggi pada
pembelajaran pemecahan masalah yaitu merumuskan pertanyaan secara benar
dan memutuskan hal-hal yang akan dilakukan secara tentatif melalui identifikasi

informasi secara teknik dengan N-Gain sebesar 1 (kategori tinggi) dan
peningkatan terendah terjadi pada sub indikator menerapkan prinsip/konsep yang
dapat diterima dengan N-Gain sebesar 0,55 (kategori sedang). Rerata N-Gain
efikasi-diri siswa kelompok eksperimen sebesar 0,04 (kategori rendah) dan
kelompok kontrol sebesar 0,10 (kategori rendah). Terdapat perbedaan yang
signifikan antara keterampilan berpikir kritis siswa kelompok eksperimen dan
kelompok kontrol, namun tidak signifikan untuk efikasi-diri siswa. Terdapat
hubungan yang signifikan antara keterampilan berpikir kritis dan efikasi-diri siswa
pada kelompok eksperimen dan siswa memberikan tanggapan yang positif
terhadap pembelajaran pemecahan masalah pada konsep hidrolisis garam,
termasuk dalam kategori baik dengan persentase rata-rata skor sebesar 67,81%.
Kata-kata Kunci: Pembelajaran Pemecahan Masalah, Keterampilan Berpikir
Kritis, Efikasi-Diri, Konsep Hidrolisis Garam,

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Siswa Pada Konsep Hidrolisis Garam
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ABSTRACT

THE EFFECT OF PROBLEM SOLVING TEACHING TO CRITICAL
THINKING SKILLS AND SELF-EFFICACY OF STUDENT IN
SALT HYDROLYSIS CONCEPT
The aim of this study was to investigate the effect of problem-solving
teaching to critical thinking skills and self-efficacy of student in salt hydrolysis
concept. The method used in this study was a quasi experimental design with
nonequivalent control group design. Participant in this study consisted 78 students
of grade XI of SMAN 16 Bandung which included 40 students in the
experimental group and 38 students in the control group. The data was collected
by critical thinking skill test, self-efficacy scales, questionnaires, interview guides,
and observation sheets. The data was analyzed using the Mann-Whitney test and
test Spearman's rho correlation. Findings of this study showed that problem
solving teaching can improve critical thinking skills, but not for students’ selfefficacy. The mean of N-Gain on critical thinking skills in the experimental group
was 0.83 (high category) and in the control group was 0.42 (medium category).
Sub-indicator of critical thinking skills indicated in this study has the highest
increasing to problem solving teaching which formulate questions correctly and
decide on matters that will be done through the identification of tentative

technical information with the N-Gain was 1 (high category) and the lowest
increasing occurred in the sub-indicators which apply the principles/concepts that
can be accepted by N-Gain was 0.55 (medium category). The mean of N-Gain of
self-efficacy in the experimental group was 0.04 (low category) and in control
group was 0.10 (low category). There are significant differences between
students’ critical thinking skills in the experimental group and the control group,
but not significant for students' self-efficacy. There was significant connection
between critical thinking skills and self-efficacy of students in the experimental
group and positively respond to problem-solving teaching in the salt hydrolysis
concept, that included in good categories with average percentage score in
questionnaire was 67.81%.
Keywords: Problem Solving Teaching, Critical Thinking Skills, Self-Efficacy,
Salt Hydrolysis Concept.

Buchori Muslim, 2015
Pengaruh Model Pembelajaran Pemecahan Masalah Terhadap Keterampilan Berpikir Kritisdan Efikasidiri
Siswa Pada Konsep Hidrolisis Garam
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