Akinoglu, O., & Tandogan, R. O. (2007). The effects of problem-based active learning in science education on students’ academic achievement, attitude and concept learning. Eurasia Journal of Mathematics, Science and Technology Education, 3(1), 71–81.

Alhadabi, A., & Karpinski, A. C. (2019). Grit, self-efficacy, achievement orientation goals, and academic performance in university students. International Journal of Adolescence and Youth, 25(1), 519-535.

Alper, A. (2010). Critical thinking disposition of preservice teachers. Education and Science, 35(158), 14–27.

Araz, G., & Sungur, S. (2007). Effectiveness of problem-based learning on academic performance in genetics. Biochemistry and Molecular Biology Education, 35(6), 448–451.

Bakir, S. (2015). Critical thinking disposositions of preservice teachers. Educational Research and Review, 10(2), 225–233.

Bandura, A. (1977). Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84(2), 191-215.

Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Prentice-Hall.

Barnett, J. E., & Francis, A. L. (2012). Using higher order thinking questions to foster critical thinking: A classroom study. Educational Psychology, 32(2), 201–211.

Beringer, J. (2007). Application of problem based learning through research investigation. Journal of Geography in Higher Education, 31(3), 445–457.

Bilgin, I., Senocak, E., & Sozbilir, M. (2009). The effects of problem-based learning instruction on university students’ performance of conceptual and quantitative problems in gas concepts. Eurasia Journal of Mathematics, Science and Technology Education, 5(2), 153–164.

Campbell, D. T., & Stanley, J. C. (1963). Experimental and quasi-experiment designs for research. Houghton Mifflin Company.

Cerezo, N. (2004). Problem-based learning in the middle school: A research case study of the perceptions of at-risk females. RMLE Online, 27(1), 1–13.

Chemers, M. M., Hu, L., & Garcia, B. F. (2001). Academic self-efficacy and first-year college student performance and adjustment. Journal of Educational Psychology, 93(1), 55–64.

Cohen, J. (1988). Statistical power analysis for the behavioural sciences. Erlbaum.

Das, M., Mpofu, D. J. S., Hasan, M. Y., & Stewart, T. S. (2002). Student perceptions of tutor skills in problem-based learning tutorials. Medical Education, 36(3), 272–278.

Deal, K. H. (2004). The relationship between critical thinking and interpersonal skills. The Clinical Supervisor, 22(2), 3–19.

Drysdale, M. T. B., & McBeath, M. (2018). Motivation, self-efficacy and learning strategies of university students participating in work-integrated learning. Journal of Education and Work, 31(5-6), 478–488.

Dunlap, J. C. (2005). Problem-based learning and self-efficacy: How a capstone course prepares students for a profession. Educational Technology Research and Development, 53(1), 65–83.

Engel, C. E. (1991). Not just a method but a way of learning. In D. Boud & G. Feletti (Eds.), The challenge of problem-based learning (pp. 22–33). Kogan.

Ennis, R. H. (1985). The logical basis for measuring critical thinking skills. Educational Leadership, 43(2), 44-48.

Ennis, R. H. (1996). Critical thinking. Prentice Hall.

Ennis, R. H. (2011). The nature of critical thinking: An outline of critical thinking dispositions and abilities. Illinois College of Education. https://education.illinois.edu/docs/default-source/faculty-documents/robert-ennis/thenatureofcriticalthinking_51711_000.pdf

Fraenkel, J. R., & Wallen, N. E. (2006). How to design and evaluate research in education (6th ed). McGraw-Hill.

Gao, S., Wang, Y., Jiang, B., & Fu, Y. (2018). Application of problem-based learning in instrumental analysis teaching at Northeast Agricultural University. Analytical and Bioanalytical Chemistry, 410(16), 3621–3627.

Ghanizadeh, A. (2016). The interplay between reflective thinking, critical thinking, self-monitoring, and academic achievement in higher education. Higher Education, 74(1), 101–114.

Gregory, M. S.-J., & Lodge, J. M. (2015). Academic workload: The silent barrier to the implementation of technology-enhanced learning strategies in higher education. Distance Education, 36(2), 1–21.

Grussendorf, J., & Rogol, N. C. (2018). Reflections on critical thinking: Lessons from a quasi-experimental study. Journal of Political Science Education, 14(2), 151–166.

Gunter, T., & Alpat, S. K. (2017). The effects of problem-based learning (PBL) on the academic achievement of students studying “electrochemistry.” Chemistry Education Research and Practice, 18(1), 78–98.

Haruehansawasin, S., & Kiattikomol, P. (2017). Scaffolding in problem-based learning for low-achieving learners. The Journal of Educational Research, 111(3), 363–370.

Higgins, S. (2014). Critical thinking for 21st-century education: A cyber-tooth curriculum? Prospects, 44(4), 559–574.

Hmelo-Silver, C. E. (2004). Problem-based learning: What and how do students learn? Educational Psychology Review, 16(3), 235–266.

Irwanto, Rohaeti, E., & Prodjosantoso, A. K. (2019). Analyzing the relationship between science process skills and critical thinking skills of pre-service chemistry teachers. Journal of Turkish Science Education, 16(3), 299-313.

Irwanto, Saputro, A. D., Rohaeti, E., & Prodjosantoso, A. K. (2018). Promoting critical thinking and problem solving skills of preservice elementary teachers through process-oriented guided-inquiry learning (POGIL). International Journal of Instruction, 11(4), 777-794.

Irwanto, Saputro, A. D., Rohaeti, E., & Prodjosantoso, A. K. (2019). Using inquiry-based laboratory instruction to foster critical thinking and science process skills among preservice elementary teachers. Eurasian Journal of Educational Research, 80, 151-170.

Kanbay, Y., & Okanli, A. (2017). The effect of critical thinking education on nursing students’ problem-solving skills. Contemporary Nurse, 53(3), 313–321.

Kek, M. Y. C. A., & Huijser, H. (2011). The power of problem‐based learning in developing critical thinking skills: preparing students for tomorrow’s digital futures in today’s classrooms. Higher Education Research & Development, 30(3), 329–341.

Koray, O., Presley, A., Koksal, M. S., & Ozdemir, M. (2008). Enhancing problem-solving skills of pre-service elementary school teachers through problem-based learning. Asia-Pacific Forum on Science Learning and Teaching, 9(2), 1-18.

Kristiansen, S. D., Burner, T., Johnsen, B. H., & Yates, G. (2019). Face-to-face promotive interaction leading to successful cooperative learning: A review study. Cogent Education, 6(1), 1674067. https://doi.org/10.1080/2331186X.2019.1674067

Kuvac, M., & Koc, I. (2018). The effect of problem-based learning on the environmental attitudes of preservice science teachers. Educational Studies, 45(1), 72–94.

Lippke, S. (2017). Self-efficacy theory. In V. Zeigler-Hill & T. K. Shackelford (Eds.), Encyclopedia of personality and individual differences (pp.1-6). https://doi.org/10.1007/978-3-319-28099-8_1167-1

Mataka, L. M., & Kowalske, M. G. (2015). The influence of PBL on students’ self-efficacy beliefs in chemistry. Chemistry Education Research and Practice, 16(4), 929–938.

Overton, T. L., & Randles, C. A. (2015). Beyond problem-based learning: using dynamic PBL in chemistry. Chemistry Education Research and Practice, 16(2), 251–259.

Pajares, F. (1996). Self-efficacy beliefs in academic settings. Review of Educational Research, 66(4), 543–578.

Pallant, J. (2011). SPSS survival manual: A step by step guide to data analysis using SPSS. Allen & Unwin.

Papinczak, T., Young, L., Groves, M., & Haynes, M. (2007). An analysis of peer, self, and tutor assessment in problem-based learning tutorials. Medical Teacher, 29(5), e122–e132.

Rusmansyah, Yuanita, L., Ibrahim, M., Isnawati, Prahani, B.K. (2019). Innovative chemistry learning model: Improving the critical thinking skill and self-efficacy of pre-service chemistry teachers. Journal of Technology and Science Education, 9(1), 59-76.

Sahin-Taskin, C. (2018). Effects of active learning environments supported with self- and peer assessment on pre-service teachers’ pedagogical and self-efficacy beliefs. Asia-Pacific Journal of Teacher Education, 46(5), 421–440.

Saputro, A. D., Irwanto, Atun, S., & Wilujeng, I. (2019). The impact of problem solving instruction on academic achievement and science process skills among prospective elementary teachers. Elementary Education Online, 18(2), 496-507.

Schmidt, H. G. (1983). Problem-based learning: Rationale and description. Medical Education, 17(1), 11–16.

Schunk, D. H. (1989). Self-efficacy and achievement behaviors. Educational Psychology Review, 1(3), 173-208.

Schunk, D. H. (1995). Self-efficacy and education and instruction. In J. E. Maddux (Ed.), Self-efficacy, adaptation, and adjustment (pp. 281–303). Springer.

Shishigu, A., Hailu, A., & Anibo, Z. (2017). Problem-based learning and conceptual understanding of college female students in physics. Eurasia Journal of Mathematics, Science and Technology Education, 14(1), 145–154.

Siew, N. M., Chin, M. K., & Sombuling, A. (2017). The effects of problem based learning with cooperative learning on preschoolers’ scientific creativity. Journal of Baltic Science Education, 16(1), 100-112.

Smith, C. J. (2012). Improving the school-to-university transition: Using a problem-based approach to teach practical skills whilst simultaneously developing students’ independent study skills. Chemistry Education Research and Practice, 13(4), 490–499.

Spector, J. M. (2019). Complexity, inquiry critical thinking, and technology: a holistic and developmental approach. In Parsons T., Lin L., Cockerham D. (Eds), Mind, brain and technology. Educational communications and technology: Issues and innovations. Springer, Cham.

Tan, O. S. (2004). Cognition, metacognition, and problem-based learning. In  O. S. Tan (Ed.), Enhancing thinking through problem-based learning approaches: International perspectives (pp.1–16). Thomson Learning.

Temel, S. (2014). The effects of problem-based learning on pre-service teachers’ critical thinking dispositions and perceptions of problem-solving ability. South African Journal of Education, 34(1), 1-20.

Thompson, K. V., & Verdino, J. (2018). An exploratory study of self-efficacy in community college students. Community College Journal of Research and Practice, 43(6), 476–479.

van Rooij, E. C. M., Jansen, E. P. W. A., & van de Grift, W. J. C. M. (2017). Factors that contribute to secondary school students’ self-efficacy in being a successful university student. Research in Post-Compulsory Education, 22(4), 535–555.

Wahyudiati, D., Rohaeti, E., Irwanto, Wiyarsi, A., & Sumardi, L. (2020). Attitudes toward chemistry, self-efficacy, and learning experiences of pre-service chemistry teachers: Grade level and gender differences. International Journal of Instruction, 13(1), 235-254.

Webb-Williams, J. (2018). Science self-efficacy in the primary classroom: Using mixed methods to investigate sources of self-efficacy. Research in Science Education, 48(5), 939–961.

Wilder, S. (2014). Impact of problem-based learning on academic achievement in high school: A systematic review. Educational Review, 67(4), 414–435.

Zimmerman, B. J. (2000). Self-efficacy: An essential motive to learn. Contemporary Educational Psychology, 25(1), 82–91.