MODEL MENTAL SISWA KELAS X SMA LABORATORIUM UNDIKSHA SINGARAJA TENTANG IKATAN ION DAN IKATAN KOVALEN

Ni Luh Yuni Ari Pratiwi, I Wayan Suja, I Nyoman Selamat

Abstract


ABSTRAK

Penelitian ini bertujuan untuk mendeskripsikan dan menjelaskan profil model mental siswa, serta menganalisis faktor-faktor yang memengaruhi terbentuknya model mental alternatif siswa kelas X MIA di SMA Laboratorium Undiksha Singaraja pada materi ikatan ion dan ikatan kovalen. Penelitian ini menggunakan pendekatan mix methods, jenis sekuensial. Pengumpulan data dilakukan dengan observasi, tes model mental, dan wawancara. Instrumen yang digunakan adalah tes diagnostik pilihan ganda dua tingkat dan wawancara dengan pertanyaan menyelidik. Hasil penelitian menunjukkan persentase siswa yang memiliki model mental ilmiah tentang ikatan ion dan kovalen sebanyak 53,33% model mental alternatif sebanyak 38,89%, dan 7,78% tidak memberikan tanggapan. Faktor-faktor yang memengaruhi terbentuknya model mental alternatif meliputi kekurangan informasi, kekeliruan penalaran, dan buku teks kimia yang digunakan siswa sebagai sarana belajar. Sehubungan dengan temuan tersebut, guru kimia di SMA perlu menerapkan strategi pembelajaran yang tepat untuk mengajarkan ketiga level kimia secara utuh.

Kata Kunci: ikatan ion, ikatan kovalen, model mental, model mental alternatif


ABSTRACT

This research was aimed to describe and explain the profile of mental model student’s, and analyze the factors that influence the formation of alternative mental models of class X MIA students at SMA Laboratorium Undiksha Singaraja about ionic bonding and covalent bonds material. This research is a mix method approaches in research, a sequential type. Data collection is done by observation, mental model tests, and interviews. The instrument used in this study was a diagnostic test two tier and interview with probing questions. The results showed the percentage of students who experienced a scientific mental model of ion bonds and covalent bonds of 53.33% of students, had an alternative mental model of 38.89%, and as many as 7.78% did not have a mental model. Factors that influence the formation of alternative mental models include lack of information, errors of reasoning, and chemical textbooks that students used. Related with that research, chemistry teachers in high schools need to apply appropriate learning strategies in the process of learning chemistry.

Keywords: ionic bonding, covalent bonding, mental model, mental model alternative


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DOI: http://dx.doi.org/10.23887/jjpk.v2i2.21166

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