Benny Satria Wahyudi

Bio: Benny Satria Wahyudi is an academic researcher. The author has contributed to research in topics: Problem-based learning. The author has an hindex of 1, co-authored 1 publications receiving 1 citations.

Pengembangan bahan ajar berbasis model problem based learning pada pokok bahasan pencemaran lingkungan untuk meningkatkan hasil belajar siswa kelas x sma negeri grujuganbondowoso

Abstract: . Problem based learning is a learning model that uses a problem as a first step in learning to develop thinking abilities , problem solving and intellectual abilities. The study aimed to know the developing of proccess of problem based learning materials and to increase of the student achievements after using problem based learning material on enviromental contamination subject for tenth grade senior high school Grujugan Bondowoso. The research included research development that based on 4-D models by Thiagarajan and Semmel (1974,) but it is restricted in the3-D step (define, design, develop). There searchuses 7 validators to assess the books quality, 19 students in a small group (XI IPA 2 class) and 29 students in a large group (X.1 class). Data obtained from students and teachers questionnaires, validator sheets, questionnaires of the legitility and difficulty level, pretest, post test questionnaires, teacher’s activity, student’s activity, and student's responses. The result of this research showed that problem based learning material has valid with 85,63%, questionnaires of the legitility and difficulty level has valid with 86,05%, teacher’s activity with 97,72%, student’s activity with 83,39%, student's response get positive response with 91,80% and improving student’s achievement by 32,30 %. Key Words: 4-D Model, environmental contamination, learning material, Problem Based Learning.

Development of Context-Based Reading Materials

Abstract: This study aims to describe the development of teaching materials to read text-based report on the observation of Contextual Teaching and Learning (CTL) that are practical and effective. The development of these materials following the model of Plomp. Products produced in the form of teaching materials that associate the subject matter in the context of everyday life. In the phase of the data collected prelimenary to get an idea of the needs of teachers and students for learning to read the results of which form the basis of teaching materials design (prototyping phase). Then, the results are validated by experts and teachers /students (evaluation). These results indicate that the materials read the text based on the observation reports CTL is already practical and effective. Teachers and students can use this material with ease, even can increase student interest (practicalities) study results also good (effectiveness). Accordingly, practical and effective teaching materials to support the activities and student learning outcomes in learning to read text on the observation report. Keywords-Teaching materials to read; the text of the report on the observation; CTL