CD Tesis
Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Discovery Learning Untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik Pada Pokok Bahasan Larutan Penyangga Di SMA
The purpose of this research is to know: (1) The process of activity sheet development based on Discovery Learning to improving students' critical thinking ability, (2) The validity of activity sheet is based on the application stages of Discovery Learning, the teacher's and students respond toward activity sheet based on Discovery Learning, that is developed for high school, (3) The students' critical thinking improvemens ability by using activity sheet based on Discovery Learning, (4) The differences level of critical thinking ability : high, medium and low students. The design and development models research using the model Borg and Gall, producing teaching materials based on Discovery Learning activity sheet to improve students' critical thinking ability on the subject of buffer solutions in high school.
The results of research showed: (1) The process of development activity sheet based on Discovery Learning is fulfilled by developing model by Borg and Gall, (2) Activity sheet based on Discovery Learning is valid and proper according to Validator, teacher’s and user response. It was get the values 94.14%, 93.05% and 96.13%. All of the values have a validity category for used, (3) After the T-paired test to know how is improving studet’s critical thinking ability and the answer is Sig
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