International Journal on Studies in Education (IJonSE) is affiliated with International Society for Technology, Education, and Science (ISTES): www.istes.org www.ijonse.net Effectiveness of Metacognitive Instruction on Students’ Science Learning Achievement: A Meta-Analysis Ronilo P. Antonio Bulacan State University, Philippines Maricar S. Prudente De La Salle University, Philippines To cite this article: Antonio, R. P. & Prudente, M. S. (2022). Effectiveness of metacognitive instruction on students’ science learning achievement: A meta-analysis. International Journal on Studies in Education (IJonSE), 4(1), 43-54. https://doi.org/10.46328/ijonse.50 International Journal on Studies in Education (IJonSE) is a peer-reviewed scholarly online journal. This article may be used for research, teaching, and private study purposes. Authors alone are responsible for the contents of their articles. The journal owns the copyright of the articles. The publisher shall not be liable for any loss, actions, claims, proceedings, demand, or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of the research material. All authors are requested to disclose any actual or potential conflict of interest including any financial, personal or other relationships with other people or organizations regarding the submitted work. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.