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Evans, Brittany E.; Kim, Yunhwan; Hagquist, Curt – Journal of School Health, 2020
Background: Internalizing problems have increased among Swedish adolescents. We examined whether classroom disorder was associated with internalizing problems and whether it explained the trends in internalizing problems. Furthermore, we examined whether school contextual factors were associated with internalizing problems and whether they…
Descriptors: Foreign Countries, Adolescents, Secondary School Students, Student Behavior
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Andrich, David; Hagquist, Curt – Educational and Psychological Measurement, 2015
Differential item functioning (DIF) for an item between two groups is present if, for the same person location on a variable, persons from different groups have different expected values for their responses. Applying only to dichotomously scored items in the popular Mantel-Haenszel (MH) method for detecting DIF in which persons are classified by…
Descriptors: Test Bias, Test Items, Item Response Theory, Statistical Analysis
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Beckman, Linda; Hagquist, Curt; Hellstrom, Lisa – Emotional & Behavioural Difficulties, 2012
The association between mental health problems and traditional bullying is well known, whereas the strength of the association in cyberbullying is less known. This study aimed to compare the association between mutually exclusive groups of bullying involvement and psychosomatic problems as measured by the PsychoSomatic Problems scale. The sample…
Descriptors: Females, Mental Health, Bullying, Foreign Countries
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Hellström, Lisa; Beckman, Linda; Hagquist, Curt – Journal of School Violence, 2013
The current study examined concordance and discordance between a measure of bullying and measures of peer aggression with respect to the number of students identified as victims. Swedish adolescents (N = 1,760) completed a web-based questionnaire. A measure of bullying and measures of peer aggression were compared in order to elucidate the unique…
Descriptors: Victims, Peer Relationship, Bullying, Aggression