This paper introduces the LIDO, or the Low-Inference Discourse Observation tool, that captures discourse moves produced by students and teachers in whole-classroom discussions. Coding methods are described, followed by analyses that explore validity of the LIDO through correlations among LIDO-coded discourse moves and between LIDO scores and…

We investigated (1) grade differences in perceived stigma-based peer victimization (SBPV); (2) differences in perceived student and teacher/staff defending against types of SBPV; and (3) whether defending against SBPV affected student subjective wellbeing (SSWB) via anti-victimization school climate perceptions. Participants were 1124 US…