EFEKTIVITAS STRATEGI PEMBELAJARAN INKUIRI TERBIMBING TERHADAP KEMAMPUAN BERPIKIR KRITIS DAN KETERAMPILAN PROSES SISWA (SUBKONSEP PENCEMARAN AIR KELAS X SEMESTER GENAP TAHUN AJARAN 2012/ 2013 DI SMA NEGERI 1 JEMBER)

Abstract

Abstract.Guided inquiry is a learning strategy that can improve the intellectual skill, critical thinking, and solve the problem by using scientific method. The purpose of this research is to test the effectiveness of guided inquiry on learning achievement ofcritical thinking and process skills. This research is quasi experiment and uses two classes for the sample, the control class and the experimental class. The learning process in the experimental class usesguided inquiry and the control class uses the conventional method (expository and discussion). Based on the analysis, it can be inferred that the guided inquiry gives significant effect on critical thinking, process skills, psychomotor, and affectiveachievement(p=0.000). Based on effectivenessmeasure by using Gain formula inferred that the experimental class dominant in balance Gain with mean 0,4420% and the control class dominant in low Gain with mean 0,1291%. It concludes the guided inquiry strategy is more effectivethan conventional strategy to improve critical thinking and process skills achievement.

Keywords: critical thinking, effectiveness, guided inquiry, process skills.