PENGEMBANGAN INSTRUMEN TES UNTUK MENGUKUR KEMAMPUAN KONEKSI MATEMATIS
Abstract
Abstrak:
Penelitian ini bertujuan untuk mengetahui prosedur dan menilai kualitas pengembangan instrumen tes untuk mengukur kemampuan koneksi matematis siswa SMP di kota Makassar. Jenis penelitian ini adalah penelitian pengembangan research and development dengan model formative research yang melalui empat tahap, yaitu preliminary, self-evaluation, dan prototyping, serta field. Subjek uji coba pada penelitian ini sebanyak 34 siswa. Hasil yang diperoleh pada uji validitas isi soal dinyatakan valid karena nilai CVR dan CVI yaitu 1 dengan kategori sangat sesuai. Hasil respon siswa memenuhi kriteria tercapai. Reliabilitas instrumen tes dinyatakan reliabel, dimana nilai reliabilitas yaitu 0,75 dengan interpretasi tinggi. Sedangkan dari segi tingkat kesukaran rata-rata skor total yaitu 0,542 dengan kategori sedang. Dari segi daya pembeda rata-rata skor total yaitu 0,45 dengan kategori baik. Selain itu, hasil analisis kemampuan koneksi matematis menggunakan instrumen yang telah dikembangkan diketahui bahwa dari 34 siswa terdapat 3 siswa (8,82%) yang termasuk dalam kategori memiki tingkat kemampuan koneksi matematis sangat baik, 17 siswa (50%) yang termasuk kategori baik, 11 siswa (32,35%) termasuk kategori cukup, dan 3 siswa (8,82%) termasuk kategori kurang. Rata-rata kemampuan koneksi matematis siswa adalah 52,49 dengan kategori baik karena 51 < skor total 75. Dengan demikian, instrumen tes kemampuan koneksi matematis yang dikembangkan memenuhi kualitas yang baik.
Abstract:
This study aims to determine the development of procedures and quality of test instruments to measure the ability of mathematical connections of students on mathematics subjects in Makassar city. The type of research is research and development with formative research model through (four) stage that is introduction, self evaluation, and prototype, and field test. The subjects of this study were students of junior high school in Makassar city with the number of students. The results obtained on the validity of the content validity test because CVR and CVI is 1 with very appropriate category. Results of student responses meet the criteria achieved. Reliability, 0.6 with high interpretation. Medium in terms of the average level of difficulty the total score is 0.542 with the medium category. In terms of power differentiate the average total score is 0.45 with good category. In addition, the result of mathematical connection ability analysis using the developed instrument is known that from 34 students there are 3 students (8.82%) which included in the category memiki level of excellent mathematical connection ability, 17 students (50%) including good category, 11 students (32.35%) included enough category, and 3 students (8,82%) including less category. The average mathematical connection ability of students is 52.49 with good category because 51 < total score 75. Thus, the test instrument of mathematical connection ability developed to meet the good quality.
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References
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