New publication: Emotional-state homophily in Czech classroom networks

New study by Tomáš Lintner and colleagues: Czech K–12 students form peer ties with those who share their emotional states.

6 Jan 2026

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SΛTIS member Tomáš Lintner, together with colleagues Rudolf Kubík and Michal Hužva, has published a new study titled Emotional-state homophily in classroom networks: evidence from K–12 students in the Czech Republic.

Peer relationships play a crucial role in students' well-being, adjustment, and academic success — yet relatively little is known about how emotional states such as happiness, loneliness, stress, and hopelessness shape these connections. The study addresses this gap by examining emotional-state homophily, the tendency of students to form relationships with peers who share similar emotional experiences. Using anonymized data from 9,176 K–12 students across 357 classrooms in the Czech Republic, the authors constructed communication networks based on both present-state and desired communication frequencies. Through network modeling, they tested hypotheses about emotional-state homophily and the moderating role of age, while controlling for structural network effects and gender.

The analysis revealed significant homophily tendencies for happiness, loneliness, and stress in both present-state and desired communication networks. Happiness-based homophily was found to strengthen with age, while loneliness-based homophily weakened over time. Unexpectedly, stress and hopelessness were associated with higher tie frequencies — a finding that challenges common assumptions about their isolating effects.

These results highlight the nuanced role emotions play in shaping peer networks and point to the need for further research into the social mechanisms behind these patterns.

Read the full article here.


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