Research Summary: The raw gap misleads: conditional conversion from environmental familiarity to action is small and development-gradient-patterned

Research analyzing PISA 2018 data from 80 countries reveals that while there is a positive correlation between perceived environmental familiarity and reported action, this conversion is relatively small and unevenly distributed. A significant finding is that raw familiarity-action gaps are not valid indicators of conversion deficit, as they move in opposite directions across different socio-economic development levels, indicating a more complex relationship than previously assumed.

Why it matters

This research is strategically important as it challenges conventional assumptions about how environmental education translates into tangible action. Understanding the nuanced and context-dependent nature of the 'value-action gap' is crucial for developing more effective strategies and policies aimed at fostering sustainable behaviors and achieving environmental goals.

Key insights

• A one-standard-deviation increase in perceived environmental familiarity correlates with only a 0.12 standard deviation increase in reported environmental action.
• The conversion from environmental understanding to action is not uniform, as highlighted by the 'value-action gap' literature.
• Raw familiarity-action gaps and residual action shortfalls exhibit opposing trends across socio-economic terciles, invalidating raw gaps as measures of conversion deficit.
• Country-level slopes demonstrating the familiarity-action relationship are highly heterogeneous, varying significantly across nations and loading on a development gradient.

Source

Frontiers in Education — https://www.frontiersin.org/articles/10.3389/feduc.2026.1892104