Pengaruh Media Dot CardsTerhadap Kemampuan Berhitung Siswa Tunagrahita Sedang

Abstract

Abstrak: Anak tunagrahita sedang mengalami hambatan dalam perkembangan kognitif khususnya bidang akademik pada pelajaran matematika khususnya berhitung. media dot cards untuk meningkatkan berhitung. Peneliti ini bertujuan untuk mendeskripsikan: (1) kemampuan berhitung sebelum intervensi, (2) kemampuan berhitung setelah intervensi, (3) pengaruh media dot cards. Penelitian eksperimen dengan uji Wilcoxon. Hasilnya adalah adanya pengaruh media dot cards. Perhitungannya diperoleh T hitung = 0. α =0,05 dan n = 6. Diperoleh T tabel = 2, H 0 ditolak dan H i diterima, sebab T hitung 0 < T tabel 2. Kesimpulannya adalah nilai rata-rata pre-test yaitu 51,08, dan nilai rata-rata post-test yaitu 79,69. Jadi, terdapat pengaruh media dot cards terhadap kemampuan berhitung siswa tunagrahita sedang. Kata Kunci: Tunagrahita Sedang, Media Dot Cards, Berhitung. Abstract: Moderate intellectual disability children are experiencing barriers in the development of cognitive in the field of academic. One of the acadenic is math lesson especially counting. Dot card is a media to increase counting. The research aims to describe: (1) the ability of counting before the intervention, (2) the ability of counting after intervention, (3) the effect of dot card media towards the Counting. The data analysis use Wilcoxon test. The result was dot card media is effective. The calculation is obtained T hitung = 0. α = 0.05 and n = 6. Obtained T table = 2, H 0 rejected and H i accepted, for T hitung 0 < T table 2. The conclusion is the average pre-test score was 51.08, and the value the average post-test was 79.69. So, there is an effect of dot card media towards counting ability of students with moderate intellectual disability.