THE DEVELOPMENT OF STUDENT WORKSHEET WITH MIND MAPPING STRATEGY FOR IMPROVINGLEARNING OUTCOMES IN THERMOCHEMISTRY TOPIC
DOI:
https://doi.org/10.26740/ujced.v3n3.p%25pAbstract
The aims of this study are to know the feasibility of student worksheet with mind mapping strategythat had been developed as a learning media on thermochemistry topic. The research method that used was research and development (R&D) method that consist of 10 steps. But this research was conducted until 6th step only, namely product testing. This worksheet had been reviewed and validated by 2 chemistry lecturers and a teacher.Then it had been tested on 15 students inthe 11th gradeofBahauddin Senior High School Sidoarjo.The result of this research showed that student worksheet with mind mapping strategy on thermochemistry topic that had been developed was feasible tobe used as learning media. This was shown based on the assessment result from chemistrylecturers andteacher, viewed from teoretical validity including content validity which was suitability of matter aspect, and construct validity which are presentation, linguistic, and suitability with the rules of mind mappingaspects, which had percentage of86,67%, 85,33%, 80%and92,22%. While empirical validity was based on student responses. It hasvery feasible result with percentage of 94,67% and also student learning outcomes were increase after limited trial through t-test analysis. So it could be concluded that the student worksheet with mind mapping strategy was very feasible as learning media on thermochemistry topic.
Key words:student worksheet with mind mapping strategy, thermochemistry
Tujuan dari penelitian ini adalah untuk mengetahui kelayakanLKS berstrategi mind mapping yang dikembangkan sebagai media pembelajaran pada materi pokok termokimia. Metode penelitian yang digunakan adalah Research and Development (R&D) yang terdiri dari 10 langkah. Namun pada penelitian ini hanya terbatas sampai enam langkah saja yaitu ujicoba produk. Media ini ditelaah oleh 2 dosen kimia dan 1 guru kimia dan juga divalidasi oleh 2 dosen kimia dan 1 guru kimia. LKS ini diujicobakan pada 15 orang siswa kelas XI SMA Bahauddin Sidoarjo. Hasil penelitian menunjukkan bahwa LKS berstrategi mind mapping pada materi termokimia yang dikembangkan telah layak digunakan sebagai media pembelajaran. Hal ini ditunjukkan dari persentase hasil penilaian dari dosen kimia dan guru kimia, yang ditinjaudari validitas teoritis dalam segi isi yakni aspek kesesuaian materi dengan kurikulum yang digunakan, dan dalam segi konstruksi yakni aspek penyajian, kebahasaan, dan penilaian kesesuaian LKS dengan aturan mind mapping yang memperoleh persentase berturut-turut sebesar 86,67%, 85,33%, 80% dan 92,22%. Sedangkan validitas empiris yaitu berdasarkan responsiswa, mendapat hasil sangat layak dengan persentase sebesar 94,67% dan hasil belajar siswa mengalami peningkatan setelah uji coba terbatas melalui analisis statistik uji t dengan hasil yang positif. Maka dari itu, dapat disimpulkan bahwa LKS berstrategi mind mapping dinyatakan sangat layak digunakan sebagai media pembelajaran pada materi pokok termokimia.
Kata Kunci :LKS berstrategi mind mapping, termokimia
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