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Diana Guertler; Dominic Bläsing; Anne Moehring; Christian Meyer; Dominique Brandt; Hannah Schmidt; Florian Rehbein; Merten Neumann; Arne Dreißigacker; Anja Bischof; Gallus Bischof; Svenja Sürig; Lisa Hohls; Maximilian Hagspiel; Susanne Wurm; Severin Haug; Hans-Jürgen Rumpf – Prevention Science, 2024
This article examines the implementation, participation rates, and potential determinants of participation in the digital addiction prevention program "ready4life." A two-arm cluster-randomized trial recruited German vocational students via class-based strategies. Intervention group received 16 weeks of in-app coaching; the control group…
Descriptors: Computer Oriented Programs, Addictive Behavior, Prevention, Foreign Countries
Stallasch, Sophie E.; Lüdtke, Oliver; Artelt, Cordula; Brunner, Martin – Journal of Research on Educational Effectiveness, 2021
To plan cluster-randomized trials with sufficient statistical power to detect intervention effects on student achievement, researchers need multilevel design parameters, including measures of between-classroom and between-school differences and the amounts of variance explained by covariates at the student, classroom, and school level. Previous…
Descriptors: Foreign Countries, Randomized Controlled Trials, Intervention, Educational Research
Prediger, Susanne; Erath, Kirstin; Weinert, Henrike; Quabeck, Kim – Journal for Research in Mathematics Education, 2022
Empirical evidence exists that enhancing students' language can promote the mathematics learning of multilingual students at risk, whereas other target groups (e.g., monolingual students, successful students, both with diverse academic language proficiency) have hardly been considered. This cluster-randomized controlled trial (N = 589)…
Descriptors: Language Usage, Mathematics Instruction, Randomized Controlled Trials, Multilingualism
Schüler-Meyer, Alexander; Prediger, Susanne; Kuzu, Taha; Wessel, Lena; Redder, Angelika – International Journal of Science and Mathematics Education, 2019
To what degree can multilingual students profit from bilingual teaching approaches, even when they lack experience in the academic or technical register in their home languages? This study explores this research question in a mixed methods design for a German/Turkish bilingual intervention aimed at fostering conceptual understanding of fractions…
Descriptors: Bilingual Education, Teaching Methods, Multilingualism, German
Häfner, Isabelle; Flunger, Barbara; Dicke, Anna-Lena; Gaspard, Hanna; Brisson, Brigitte M.; Nagengast, Benjamin; Trautwein, Ulrich – Developmental Psychology, 2017
Using a cluster randomized field trial, the present study tested whether 2 relevance interventions affected students' value beliefs, self-concept, and effort in math differently depending on family background (socioeconomic status, family interest (FI), and parental utility value). Eighty-two classrooms were randomly assigned to either 1 of 2…
Descriptors: Foreign Countries, Intervention, Student Attitudes, Self Concept
Pandya, Samta P. – Religious Education, 2018
Based on a one-year longitudinal experimental study with 3,782 kindergarten school children across 15 countries, this article examines the association between prayer and happiness. Results show that the post-test scores on the faces scale were higher for the participant group who had taken the prayer lessons vis-à-vis the comparison group.…
Descriptors: Scores, Cross Cultural Studies, Christianity, Pretests Posttests
Brisson, Brigitte Maria; Dicke, Anna-Lena; Gaspard, Hanna; Häfner, Isabelle; Flunger, Barbara; Nagengast, Benjamin; Trautwein, Ulrich – American Educational Research Journal, 2017
The present study investigated the effectiveness of two short relevance interventions (writing a text or evaluating quotations about the utility of mathematics) using a sample of 1,916 students in 82 math classrooms in a cluster randomized controlled experiment. Short-term and sustained effects (6 weeks and 5 months after the intervention) of the…
Descriptors: Program Effectiveness, Intervention, Mathematics Instruction, Randomized Controlled Trials
Bertram, Christiane; Wagner, Wolfgang; Trautwein, Ulrich – American Educational Research Journal, 2017
The present study examined the effectiveness of the oral history approach with respect to students' historical competence. A total of 35 ninth-grade classes (N = 900) in Germany were randomly assigned to one of four conditions--live, video, text, or a (nontreated) control group--in a pretest, posttest, and follow-up design. Comparing the three…
Descriptors: Randomized Controlled Trials, Oral History, Interviews, Intervention
Thrul, Johannes; Bühler, Anneke; Herth, Felix J. F. – Drugs: Education, Prevention & Policy, 2014
Aims: The objective of this study was to evaluate the preventive effect of a clinic-based, emotionally arousing, negative information giving intervention on adolescents' protective and risk factors of smoking. Methods: Data of 563 students (18 schools) from a cluster randomized controlled trial conducted in Heidelberg, Germany (2010-2011) were…
Descriptors: Prevention, Adolescents, Smoking, Randomized Controlled Trials
Buschmann, Anke; Multhauf, Bettina; Hasselhorn, Marcus; Pietz, Joachim – Journal of Early Intervention, 2015
A randomized control intervention study was conducted to evaluate the effects of the highly structured Heidelberg Parent-Based Language Intervention (HPLI). The outcomes of 43 children (n = 23 intervention, n = 20 control) who had been identified as late talkers during routine developmental check-ups carried out in pediatric practices at the age…
Descriptors: Intervention, Language Skills, Language Acquisition, Memory
Enz, Sibylle; Zoll, Carsten; Vannini, Natalie; Schneider, Wolfgang; Hall, Lynne; Paiva, Ana; Aylett, Ruth – Electronic Journal of e-Learning, 2008
Addressing the problems of bullying in schools, this paper presents a novel and highly innovative pedagogical approach, building on the immersive power of virtual role-play. Educational role-play is widely accepted as a powerful instrument to change attitudes and behaviour, but faces some difficulties and disadvantages when applied to sensitive…
Descriptors: Bullying, Elementary School Students, Prevention, Intervention