“…It is seen that meta-analysis studies in the literature focus on different variables as well as the effects of SCA on students' academic achievement. It is noteworthy that there are also meta-analysis studies investigating the effect of research and inquiry-based teaching on students' scientific process skills (Akkaya, 2019); project-based learning on science lesson attitude (Ayaz, 2014;Kaşarcı, 2013); 5E learning model (Ayaz, 2015) and constructivist approach on lesson attitudes (Ayaz & Şekerci, 2016); cooperative learning on mathematics attitude (Capar & Tarim, 2015); technology-based methods on learning mathematics (Özdemir, Aslaner & Açıkgül, 2020) and foreign languages (Chiu, Kao & Reynolds, 2012;Peterson, 2010); web-based problem solving (Kuo, Chen and Hwang, 2014); argumentation technique on scientific process skills (Karakuş & Yalçın, 2016); creative drama on motivation and social skills (Özbey & Sarıkaya, 2019) and skill development (Cruz, Lian & Morreau, 1998;Ulubey, 2018). However, when the studies conducted in Turkey and other countries, no meta-analysis study is found to examine the effects of SCA on students' CTS.…”