2015
DOI: 10.1026/0049-8637/a000136
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Mehrebenenanalyse oder Varianzanalyse?

Abstract: Zusammenfassung. Wer Experimente in Schulklassen durchführt, hat mit hierarchisch strukturierten Daten zu tun, was Mehrebenenanalysen nahelegt. Meist sind solche Experimente so aufwändig, dass die für hierarchisch lineare Modelle üblichen Stichprobengrößen nicht zu erreichen sind. Wenn man an Vorhersagen auf Klassenebene nicht interessiert ist, bieten sich alternativ Varianzanalysen an, die die Klasse als Faktor einbeziehen. In einer Simulationsstudie wurden die Äquivalenz, die Reaktion auf variierte Rahmenbed… Show more

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Cited by 6 publications
(2 citation statements)
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“…Hypothesis 1 (training effects) was evaluated using Wilcoxon tests with Bonferroni-Holm corrections. As the test assumptions for an ANCOVA were not met and a random intercept model was considered inappropriate due to the small sample size (n 1 class at post-test; Maas and Hox, 2005;Schoppek, 2015), hypothesis 2 (moderator effects) was evaluated using non-parametric partial correlations to evaluate the relationship between school and classroom climate and experiences of victimisation, perceptions of inclusion, and the presence of SEND, whilst controlling for class membership. For further multiple linear regressions, we defined grade 5 of school 2 as the intervention group and grades 6 and 8 of this school, whose teachers dropped the training, as the control group.…”
Section: Plan For Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…Hypothesis 1 (training effects) was evaluated using Wilcoxon tests with Bonferroni-Holm corrections. As the test assumptions for an ANCOVA were not met and a random intercept model was considered inappropriate due to the small sample size (n 1 class at post-test; Maas and Hox, 2005;Schoppek, 2015), hypothesis 2 (moderator effects) was evaluated using non-parametric partial correlations to evaluate the relationship between school and classroom climate and experiences of victimisation, perceptions of inclusion, and the presence of SEND, whilst controlling for class membership. For further multiple linear regressions, we defined grade 5 of school 2 as the intervention group and grades 6 and 8 of this school, whose teachers dropped the training, as the control group.…”
Section: Plan For Analysismentioning
confidence: 99%
“…The effect size r was calculated as Z statistic divided by square root of the sample size (r z⁄ √n) and interpreted in line with Cohen's classification (1992). Multilevel-analyses could not be conducted, because the sample size at class level (n 41 students from eleven classes) was too small (Maas and Hox, 2005;Schoppek, 2015) in the intervention group. Hence, hypothesis 1 (training effects) was examined with mixed ANOVAs to determine whether the RP training (intervention vs control group) had a significant effect on school and classroom climate.…”
Section: Plan For Analysismentioning
confidence: 99%