
One of the persistent challenges in sustainability education is knowing where students actually stand before a lesson begins. Not just what they know, but what they believe, how they feel about an issue, and what misconceptions might be shaping their thinking. New research co-funded by SYNAPSES, recently published in Frontiers in Education, offers a practical response to that challenge.
The study, conducted by researchers at the University of Bayreuth, used microplastics as its focus topic. Students were invited to respond to open questions about what microplastics are, where they come from, and how dangerous they are. An AI tool then categorised the responses from all 180 students, matching or outperforming human expert coders in reliability, with scores reaching κ = 0.96. What would typically take weeks was completed in a matter of minutes.
The implications for classroom practice are significant. We know that presenting students with more facts rarely translates into changed attitudes or behaviour. The gap between knowing and acting tends to be shaped by deeper layers: underlying beliefs, values, and emotional responses that factual instruction alone rarely reaches. Identifying those layers has until now required time and analytical resources that most teachers simply do not have.
This research makes that diagnostic step genuinely feasible. A short survey administered at the end of one lesson, processed with a freely available AI tool, can reveal where students have understood the science and where gaps remain, which misconceptions are structuring how they relate to the issue, and what emotional or motivational factors may be standing between awareness and action. That is the kind of insight that allows teachers to move beyond information delivery towards the values-based, action-oriented approach that sustainability citizenship education calls for.
As SYNAPSES draws to a close, it is encouraging to see research of this kind emerging from the project: practical, grounded in real classroom conditions, and designed with teachers in mind.
The paper is open access and available here: Braune et al. (2026), Frontiers in Education — doi.org/10.3389/feduc.2026.1770878





