Integrated STEM education, which combines science, technology, engineering, and mathematics into interdisciplinary learning, has gained growing attention for its potential to prepare students for real-world challenges. A recent meta-analysis by Chen and colleagues synthesized 109 studies (experimental or quasi-experimental designs) conducted between 2010-2022 to examine its effectiveness in K-12 settings. The researchers examined the effects of integrated STEM education through three primary types of interventions:
- Comparing integrated STEM education to non-integrated approaches in STEM programs (70 studies)
- Implementing extra teaching and learning (T&L) strategies (like guided prompts and process modelling) versus not using them in integrated STEM programs (23 studies)
- Incorporating specific learning technologies (e.g., simulations, virtual reality) versus not using them in integrated STEM programs (16 studies)
The findings reveal that all three approaches yielded positive effects. Integrated STEM education showed large effects on cognitive skills (g=0.94), knowledge acquisition (g=0.62) and perceptions (g=0.37). Notably, quasi-experimental studies demonstrated larger effects compared to randomized controlled trials. Programs with shorter duration and smaller sample size tended to obtain relatively larger effect sizes. Design-based tasks enhanced student perception but were less effective for knowledge acquisition compared to inquiry-based tasks.
Extra T&L strategies exhibited small to medium effects on cognitive skills (g=0.71), problem-solving task (g=0.52), and perceptions (g=0.34). Using technologies in integrated STEM showed medium effects on knowledge acquisition (g= 0.61), social skills (g=0.54) and perception (g=0.47).
The authors discussed several practice implications that may benefit integrated STEM education. While quasi-experimental studies showed larger effects, the variation in effect sizes between research designs suggests the need for more rigorous randomized controlled trials to validate these findings.
Source: Chen, B., Chen, J., Wang, M., Tsai, C.-C., & Kirschner, P. A. (2025). The effects of integrated STEM education on K12 students’ achievements: A meta-analysis. Review of Educational Research, 00346543251318297. https://doi.org/10.3102/00346543251318297