2024 No Teacher and student perceptions of an outdoor classroom https://doi.org/10.1007/s42322-019-00033-7 Guardino, Caroline North America Observational Experimental Teachers Students Elementary (K-5) Green space Cognitive Function Stress/Anxiety Other Outdoor classroom Learning environment nature contact Attention Well-being disability special needs Mixed-methods study of 2 teachers and 37 kindergarteners comparing indoor vs. outdoor classroom revealed increased well-being and attention, especially for children with disabilities, supporting outdoor learning’s value for inclusive education. 2019