摘要：The aim of this study was to know the impact of problem based learning model on hydrolysis concept of XI grader’s argumentation skills. The one group pretest posttest design was used and applyed for 30 graders from one of senior high school Subang district on 2011/2012 year program. Data collected by student worksheet;pretest and posttest for argumentation skills;teacher and students observation sheets for the implementation of problem based learning;also questionnaire and interview for knowing the respons of problem based learning implementation. The result showed that the problem based learning implementation could enhance the argumentation skills’s graders on hydrolysis concept, with mean normalized gain value about 0.51 that belong to medium category. The graders’s response to the problem based learning were agreed in general.
其他摘要：Tujuan penelitian ini adalah untuk mengetahui pengaruh pembelajaran berbasis masalah pada konsep hidrolisis garam pada keterampilan berargumentasi siswa kelas XI. Desain penelitian yang digunakan adalah one group pretest posttest dengan subjek 30 siswa di
其他关键词：pembelajaran berbasis masalah;keterampilan berargumentasi;konsep hidrolisis garam
