Equally able students have lower academic self-concept in high achieving schools or classes, a phenomenon known as the big fish little pond effect (BFLPE). The class (more so than the school) has been shown to be the pivotal frame-of-reference for academic self-concept formation--a local dominance effect. However, many school systems worldwide…

Agentic engagement, or attempts to proactively influence instruction, predicts positive classroom climate and students' motivation. As such, it is a potentially effective target for intervention, though causal evidence is limited. This investigation explored whether an agentic orientation could be cultivated through a brief, online intervention…

This study seeks to identify the configurations of classroom teaching practices, defined based on the classroom goal structures (mastery-approach, performance-approach, and performance-avoidance) and social climate (academic support, emotional support, mutual respect, and task-related interactions) to which a sample of 1,453 seventh graders…

Social dominance goals have been conceptualized as orientations toward powerful and prominent positions in the peer group. Although previous studies have identified social dominance goals as one of the main motivations behind bullying, few studies have disentangled the time-invariant (average level) from the time-varying (year-to-year) effects of…

Mindfulness training (MT) for teachers has become popular, yet gaps remain in our understanding of the time-course of the impacts of MT on teacher- and classroom-outcomes; the generalizability of MT impacts on elementary versus secondary teachers; and how characteristics of teachers and schools may moderate the impacts of MT. In this…

Previous research provides evidence that ratings from students and external observers can deliver reliable and valid measures of teaching quality. However, there is still a lack of research on how stable these measures are across time and classes, which is particularly important when they are used for evaluations. We addressed this issue in 3…

Children in early childhood education and care (ECEC) spend a considerable amount of time interacting with their peers. However, open questions remain on whether and how children influence their peers' language development. The present study examined effects of peers' German receptive vocabulary (n = 1,871) on individual children's (n = 431)…

This cluster randomized controlled trial evaluated the efficacy of the CHAMPS classroom management program on the social behavioral and academic outcomes of a large diverse sample of middle school students within an urban context. Participants included 102 teachers and 1,450 students in sixth to eighth grade. Two-level hierarchical linear models…

Classroom-level influences on literacy skills in kindergarten through Grade 2, and on literacy and numeracy skills in Grades 3, 5, 7, and 9, were examined by comparing the similarity of twins who shared or did not share classrooms with each other. We analyzed two samples using structural equation modeling adapted for twin data. The first, Study 1,…

Although many interventions have generated immediate positive effects on mathematics achievement, these effects often diminish over time, leading to the important question of what causes fadeout and persistence of intervention effects. This study investigates how children's forgetting contributes to fadeout and how transfer contributes to the…

A major component of reading in subject areas is motivation to engage with text in different and specific ways. Yet, scant research captures fluctuations in adolescents' daily reading motivation in subject areas or across diverse reading activities: important information for supporting discipline-specific reading performance. Thus, this study…

Although peer victimization in school mainly takes place between children in the same classroom or grade and bullying is generally seen as a group process, little is known about how stability and change in classroom composition affect peer victimization. Hence, this study addressed the following questions: (a) Are newcomers in the classroom more…

Professional development (PD) is a potentially important mechanism for enhancing classroom practices and children's learning. In this large-scale randomized controlled trial, we examined the effectiveness of language and literacy PD, with and without coaching, offered at scale to early childhood educators (n = 546) across 1 state. Relative to the…

The current study reports on a large-scale quantitative analysis of classroom talk practices and links to different measures of reading achievement within upper elementary classrooms. Data involving 745 fourth- and fifth-grade teachers and 18,844 students from the Measures of Effective Teaching (MET) study were used. Talk was quantified via…

Empirical studies have demonstrated that students who are taught in a group of students with higher average achievement benefit in terms of their achievement. However, there is also evidence showing that being surrounded by high-achieving students has a negative effect on students' academic self-concept, also known as the big-fish--little-pond…