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Problem in this research is students’ critical thinking and problem solving skills on learning physics still in low category. The aim of this research is to determine the effect of applying SSCS and PQ4R models, the effect of critical thinking and problem solving skills and their interactions on student learning outcomes. The research used an experimental method and a scientific approach with the research population of all students of class XI IPA SMAN 1 Karanganyar in the 2021/2022. The research sample was determined by cluster random sampling. The experimental class 1 is class XI IPA3 with SSCS model, while experimental class 2 is class XI IPA4 with PQ4R model. The data collection technique used the test method for student learning outcomes data while the questionnaire method for data on students' critical thinking skills and problem solving skills. The data analysis technique used the Anova test. The results concluded that (1) there is a difference in learning outcomes between students who apply SSCS and PQ4R models, learning outcomes where high critical thinking and problem solving student have better outcome than the low one, (2) there is an interaction between learning models, critical thinking and problem solving skills on student learning outcomes.

Self-regulated learning is an effort to manage an individual’s learning. This research aims to 1) determine the strategy of self-regulated learning (SRL) based on problem-solving toward the learners’ learning outcomes and 2) determine the learning outcome improvement of the learners in learning by using the SRL based-problem solving. This research is quantitative research with quasi-experimental type and pretest-posttest control group design. The sampling technique was purposive sampling. The research population covered all in Senior High School (SMA 5) Yogyakarta. The samples were from the tenth graders of Mathematics and Science Program 3 as the control group and Mathematics and Science Program 1 as the experimental group. The data collection methods consisted of test and non-test. The analysis result were, the hypothesis test showed that the applied strategy influenced the learners’ learning outcomes and the learners’ learning outcomes had improvements with the N-gain average score of 0.590, categorized moderate. Keywords: Problem-Solving, Self-Regulated Learning Strategy, Simple Harmonic Motion