In 2013 Hedmark University College conducted a research project where students from a game development project/study program developed and tested a Pervasive Game for learning as part of a class in System Thinking. The overall game goal was to teach Sustainability through System Thinking, and to give the students a real world experience with their…

Victimization resulting from bullying affects millions of school children worldwide each year (e.g. Nansel et al., 2001; Sapouna, 2008; Smokowski & Kopasz, 2005). These children face the fear and humiliation of verbal, physical, and relational aggression and as a result, often suffer psychological ill effects (e.g. Kochenderfer-Ladd, & Skinner,…

This study compares three variations in how researchers construct middle childhood social networks: (1) with "friendships" or "affiliations" as a relational tie; (2) with children providing "self reports" of relationships, or in addition, "multi-informant reports" of relationships in which they are not involved; and (3) whether network computation…

Nonrandom assignment of students to teachers can bias value-added estimates of teachers' causal effects. Rothstein (2008, 2010) shows that typical value-added models indicate large counterfactual effects of fifth-grade teachers on students' fourth-grade learning, indicating that classroom assignments are far from random. This article quantifies…