The Effect of Guided Inquiry Models With Student Journals on Student Critical Thinking Skills in Environmental Change Subject

This study aimed to determine the effect of guided inquiry models with student journals on critical thinking skills in environmental change subject. This study was a quasi-experimental research using cluster random sampling. The population of this study was all students of X Science Class of SMA Negeri 2 Ngaglik. The sample of this study was 2 namely 31 students from X Science Class as the control class and 31 students from X Science 3 class as the experimental class applying the guided inquiry model with student journals. Data collection was performed using a test instrument. The data obtained were analyzed using the Independent sample test of the T-test. The calculation results showed a significant value of 0.000 <0.05, so it can be concluded that there are differences in critical thinking skills between the control class and the experimental class.