# Class Collective Efficacy and Class Size as Moderators of the Relationship between Junior Middle School Students’ Externalizing Behavior and Academic Engagement: A Multilevel Study

> Research article (Frontiers in Psychology, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2738737835](https://www.wikidata.org/wiki/openalex:W2738737835)  
**Source**: https://4ort.xyz/entity/class-collective-efficacy-and-class-size-as-moderators-of-the-relationship-between-junior-middle-school-students-externa