PROFIL MODEL MENTAL PESERTA DIDIK SMA PADA MATERI LARUTAN PENYANGGA DENGAN MENGGUNAKAN TES DIAGNOSTIK MODEL MENTAL TIPE PILIHAN GANDA DUA TINGKAT

Rani Dewi Rubianti, - (2018) PROFIL MODEL MENTAL PESERTA DIDIK SMA PADA MATERI LARUTAN PENYANGGA DENGAN MENGGUNAKAN TES DIAGNOSTIK MODEL MENTAL TIPE PILIHAN GANDA DUA TINGKAT. S1 thesis, Universitas Pendidikan Indonesia.

Abstract

Penelitian ini bertujuan untuk mengetahui profil model mental peserta
didik SMA kelas XII di daerah Cianjur pada materi larutan penyangga.
Metode penelitian yang digunakan berupa metode deskriptif dengan
menggunakan instrumen tes diagnostik model mental tipe pilihan ganda
dua tingkat yang telah valid dan reliabel. Koefisien reliabilitas Cronbach
alpha sebesar 0,613. Berdasarkan hasil penelitian, subkonsep sifat
larutan penyangga pada penambahan sedikit asam atau basa didominasi
oleh peserta didik yang telah memahami bagaimana perubahan pH
larutan penyangga setelah penambahan sedikit asam atau basa dan
pengaruhnya terhadap konsentrasi ion H+ dalam sistem dengan
persentase 72%. Untuk subkonsep sifat larutan penyangga dalam tubuh
pada penambahan asam didominasi oleh peserta didik yang telah
memahami bagaimana perubahan pH larutan penyangga setelah
penambahan sedikit asam dengan persentase 33%, sedangkan pada
penambahan basa didominasi oleh peserta didik yang belum memahami
bagaimana perubahan pH larutan penyangga setelah penambahan
sedikit basa dan pengaruhnya terhadap konsentrasi ion H+ dalam sistem
dan peserta didik yang telah memahami bagaimana perubahan pH
larutan penyangga setelah penambahan sedikit basa dengan persentase
keduanya sebesar 47%. Untuk subkonsep sifat larutan penyangga pada
penambahan air didominasi oleh peserta didik yang belum memahami
bagaimana perubahan pH larutan penyangga setelah penambahan air
dan pengaruhnya terhadap konsentrasi ion H+ dalam sistem dengan
persentase 75%. Untuk perhitungan pH larutan penyangga yang terdiri
dari basa lemah dan asam konjugatnya didominasi oleh peserta didik
yang telah mampu menghitung pH larutan penyangga dan konsentrasi
komponen larutan penyangga dengan persentase 44%. Sedangkan untuk
perhitungan pH larutan penyangga dari asam lemah dan basa
konjugatnya serta perhitungan pH setelah penambahan asam atau basa
didominasi oleh peserta didik yang belum mampu menghitung pH dan
konsentrasi komponen larutan penyangga dengan persentase berturutturut
sebesar 75%, 47%, 61% dan 72%.
;---This study aims to determine the mental model of class XII students in
Cianjur on the buffer solution. The research was used descriptive
method using two tier mental model diagnostic test that had through
the validation and reliability testing. Cronbach alpha reliability
coefficients for the instruments were found to be 0,613. Based on the
results of the study, the subconcept of the nature of the buffer solution
on the addition of a little acid or base was dominated by students who
had understood how the pH of the buffer solution changed after
adding a little acid or base and its effect on the concentration of H +
ions in the system with a percentage of 72%. For the subconcepts of
the nature of the body buffer solution on the addition of acid was
dominated by students who only understood how the pH of the buffer
solution after the addition of a little acid with a percentage of 33%,
while the addition of base was dominated by students who did not
understand how the pH of the buffer solution after thhe addition of a
little base and their effect on the concentration of H + ions in the
system and students who only understood how the pH of the buffer
solution changed after adding a little base with both percentages of
47%. For the subconcept the nature of the buffer solution on the
addition of water was dominated by students who did not understand
how the pH of the buffer solution changed after adding water and its
effect on the concentration of H + ions in the system with a percentage
of 75%. For the calculation of pH buffer solution consisting of weak
bases and conjugate acid, it was dominated by students who had been
able to calculate the pH of the buffer solution and the concentration of
the buffer solution component with a percentage of 44%. As for the
calculation of the pH of the buffer solution from weak acids and
conjugate bases and the calculation of pH after the addition of acids or
bases was dominated by students who had not been able to calculate
the pH and concentration of the buffer solution components with
successive percentages of 75%, 47%, 61% and 72 %.

	Text S_KIM_1401117_Title.pdf Download (89kB)
	Text S_KIM_1401117_Abstract.pdf Download (140kB)
	Text S_KIM_1401117_Table_Of_Content.pdf Download (135kB)
	Text S_KIM_1401117_Chapter1.pdf Download (253kB)
	Text S_KIM_1401117_Chapter2.pdf Restricted to Staf Perpustakaan Download (471kB)
	Text S_KIM_1401117_Chapter3.pdf Download (374kB)
	Text S_KIM_1401117_Chapter4.pdf Restricted to Staf Perpustakaan Download (575kB)
	Text S_KIM_1401117_Chapter5.pdf Download (138kB)
	Text S_KIM_1401117_Bibliography.pdf Download (250kB)
	Text S_KIM_1401117_Appendix.pdf Restricted to Staf Perpustakaan Download (256kB)

Item Type:	Thesis (S1)
Additional Information:	No. Panggil : S KIM RAN p-2018; Nama Pembingbing : I. Wiji, II. Fitri Khoerunnisa; NIM : 1401117.
Uncontrolled Keywords:	model mental, tes diagnostik model mental tipe pilihan ganda dua tingkat, larutan penyangga, mental model, two tier mental model diagnostic test, buffer solution.
Subjects:	L Education > L Education (General) Q Science > QD Chemistry
Divisions:	Fakultas Pendidikan Matematika dan Ilmu Pengetahuan Alam > Program Studi Kimia - S1 > Program Studi Pendidikan Kimia
Depositing User:	Zahra
Date Deposited:	04 Mar 2020 06:56
Last Modified:	04 Mar 2020 06:56
URI:	http://repository.upi.edu/id/eprint/47336

Actions (login required)

View Item