Check the Metric Framework developed by Playful Learning Landscapes and Brookings Institute for measuring the outcomes of playful learning in public and shared spaces.
Brookings Institute & Playful Learning Landscapes: Metric framework
The Proximity of Care Design Guide developed by Arup and BvLF, is a practical and free online tool for urban practitioners, developers, city authorities, and child development professionals to embed child and family friendly design principles into their work.
Check the Metric Framework developed by Playful Learning Landscapes and Brookings Institute for measuring the outcomes of playful learning in public and shared spaces.