The Effect of the Double Loop Problem Solving Model on Problem Solving Ability and Critical Thinking Skills

Problem solving abilities and critical thinking skills are 21st century that need to be developed with efforts apply innovative learning models, namely double loop problem model. This study aims determine the effect of model on students' skills. The research method uses a quasi experiment nonequivalent control group design. Data collection techniques using pretest posttest. data is processed by conducting analysis prerequisite tests in form normality test, homogeneity test while hypothesis one way ANOVA post hoc follow-up tests. Based results research, it can concluded there an influence students biodiversity material class X MIPA SMAN 4 Tasikmalaya 2022/2023 academic year