Critical thinking is an important aspect of education. The ability to think critically is needed in achieving success for the future. Based on observations, it was found that students' critical thinking skills were still low. If a solution is not sought, this will affect the quality of graduates. The answer taken is to improve the quality of learning through the use of PBL-based E-Worksheet. The PBL model was chosen because it was able to develop critical thinking. The development of E-Worksheet needed because all this time the worksheet that used by lecturers in the form of paper printing so they only able to display images and writings. By developing an E-Worksheet capable of displaying writing, image, sound, video and interactive so that it is attractive to students. This development research procedure was adapted from Thiagarajan, Semmel, & Semmel which involved 4 steps that is define, design, develop, and deseminate.
Penelitian ini bertujuan untuk: 1) menghasilkan Lembar Kerja Siswa (LKS) berbasis Project Based Learning (PjBL) pada materi konsep energi dan sumber energi guna meningkatkan keterampilan proses sains siswa kelas VII SMP, 2) mendeskripsikan kualitas LKS berbasis PjBL yang dikembangkan. Penelitian ini termasuk penelitian pengembangan dengan model pengembangan 4D. Teknik pengumpulan data menggunakan instrumen penilaian untuk beberapa reviewer. Teknik analisis data menggunakan analisis kualitas LKS. Berdasarkan penilaian dosen ahli, peer reviewer, dan guru IPA diperoleh skor rata-rata 141,9 dengan persentase keidealan 81,1% menyatakan bahwa kualitas LKS Sangat Baik. Hasil tanggapan siswa diperoleh skor rata-rata 75 dengan persentase keidealan 88,2% menyatakan bahwa kualitas LKS Sangat Baik. Dapat disimpulkan bahwa LKS yang dikembangkan layak digunakan dalam pembelajaran. Developing The Student’s Worksheet Based on Project Based Learning to Improve Student Science Process Skills on Junior High School Abstract This research was aimed to: 1) produced a student’s worksheet based on project based learning on concept of energy and energy resources material to improve he student’s science process skills in seven grade of Junior High School, 2) described the quality of student’s worksheet based on project based learning was developed. This research is include research and development with 4D models. Data collection technique used assessment instrument for reviewers. Data analysis technique used analysis quality of student’s worksheet. According to assessment of expert lecturer, peer reviewer, and natural science teacher got an average score of 141,9 with ideal presentage of 81,1% stated that the quality of student’s worksheet was very good. The result of students respons got an average score of 75 with ideal percentage of 88,2% stated that the quality of student’s worksheet was very good. In conclusion that the student’s worksheet had been developed was feasible to implement on the lesson.
The aims of this research were to find out: (1) the effect of learning method by applying Problem Based Learning toward the student’s achievement. (2) The effect of learning style toward student’s achievement. (3) The effect of independence toward the student’s achievement. (4) The interaction between the learning style and independence toward the students’ achievement. This research used experimental method. The population was the students of Primary School Education Program in semester 4 school year 2011/2012 by eight classes. Two classes were taken as the samples by applying cluster random sampling technique. Student’s achievement were collected by using test method, while the student’s learning style and student’s independence was collected by employing questionnaire method. The data analysis technique used was a three way analysis of variance with unequal cells (ANOVA). The results were: (1) there was no influence of Problem Based Learning methods toward student’s achievement (p=0.620). (2) There was no influence of learning style by visual, auditorial, and kinestetic toward students’ achievement (p=0.455). (3) There was no influence of high and low of student’ independence toward the students’ achievement (p=0.703). (4) There was no interaction between the learning style and the student’s independence toward the students’ achievement (p=0.708). Keywords : Problem Based Learning, Learning style, Independence
Tujuan dari penelitian ini untuk mengetahui (1) kecenderungan hasil belajar dan kemampuan berpikir kritis dari siswa kelas VII SMP Negeri 1 Imogiri melalui pembelajaran model PBL dan DI. (2) Mengetahui perbedaan hasil belajar dari siswa siswa kelas VII SMP Negeri 1 Imogiri melalui pembelajaran model PBL dan DI ditinjau dari kemampuan berpikir kritis. Pengumpulan data dalam penelitian ini menggunakan teknik dokumentasi, tes, dan observasi. Teknik analisis data menggunakan ANAKOVA satu jalur. Hasil penelitian menunjukkan bahwa terdapat perbedaan yang sangat signifikan antara hasil belajar IPA dengan model PBL dan dengan model DI ditinjau dari kemampuan berpikir kritis siswa (F hitung = 5,323 dan p = 0,002). Skor rata-rata hasil belajar IPA dengan model PBL lebih tinggi daripada DI. Hal ini berarti bahwa model PBL lebih efektif daripada model DI.
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