Penelitian ini bertujuan untuk mengetahui perbedaan hasil belajar IPA antara pembelajaran menggunakan model Problem Based Learning dengan pembelajaran langsung ditinjau dari kemampuan berkomunikasi siswa. Jenis penelitian ini adalah kuasi ekperimen. Penelitian ini dilakukan di SMP Negeri 11 Yogyakarta tahun ajaran 2016/2017. Hasil penelitian menunjukkan bahwa hasil belajar IPA yang menggunakan model Problem Based Learning memperoleh skor rerata 21,22 dan pembelajaran langsung memperoleh skor rerata 18,09. Kemampuan berkomunikasi yang pembelajarannya menggunakan Problem Based Learning memperoleh skor rerata 96,00 dan pembelajaran langsung termasuk memperoleh skor rerata 90,00. Sehingga dapat dinyatakan ada perbedaan yang signifikan. Kesimpulannya, ada signifikan, sehingga ada perbedaan hasil belajar Ipa siswa kelas VII SMP Negeri 11 Yogyakarta tahun ajaran 2016/2017 antara pembelajaran menggunakan Problem Based Learning dengan pembelajaran langsung ditinjau dari kemampuan berkomunikasi siswa.The objective of this study is to know the difference of science learning outcomes between learning using Problem Based Learning model and direct learning observed from students’ communication skill. This research is quasi-experiment. This study was conducted at the Junior High School 11 Yogyakarta in the academic year of 2016/2017. The study showed that the average score of science learning outcomes which uses Problem Based Learning model was 21.22, whereas direct learning got the average score of 18.09. Communication skill that the learning process uses Problem Based Learning got the average score of 96.00 whereas direct learning got the average score of 90.00. In conclusion, there is significance, so there is the difference of science learning outcomes of students of class VII of SMP Negeri 11 Yogyakarta academic year 2016/2017 between learning using Problem Based Learning with direct learning in terms of students' communication ability.
The UST-Physics Education Study Program Building is a place for lecture activities as well as administrative and lecturer work rooms. This building is located in the city of Yogyakarta, which is an area with a high intensity of earthquake events so that a study on the buildings vulnerability to earthquakes is needed. In this study, we carried out microtremor measurements from the Physics Education Study Program building and then analyzed the measurements using the Floor Spectral Ratio (FSR) method. The results of the analysis then compared with the classification set in SNI 2002 on procedures for planning earthquake resistance. The average natural frequency of the UST Physics Education Study Program building in the east-west microtremor component was 3.18 Hz and in the north-south component was 3.22 Hz so that it was in accordance with the Standard of Earthquake Resilience Planning for Building Structures of SNI Building (2002)(< 2.78 Hz). Resonance index for UST Physics Education Study Program building ranged from 103.40-136.05% so that it is included in the low category.
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