This article assesses the likely generalizability of educational treatment-effect estimates from regression discontinuity designs (RDDs) when treatment assignment is based on academic pretest scores. Our assessment uses data on outcome and pretest measures from six educational experiments, ranging from preschool through high school, to estimate…

Research has focused on students' difficulties understanding phenomena in which agency is distributed across actors whose individual-level behaviors converge to result in collective outcomes. Building on Levy and Wilensky (2008), this study identified features of distributed causality students understand and that may offer affordances for…

This article reports two intervention studies testing the effects of plurilingual teaching on grammatical development among primary-school students learning English as a foreign language (FL). In a pre-posttest control-group design, more than 200 9-10-year old majority language German and minority language students received plurilingual FL…

The aim of this study was to determine the effect of flipped classroom model on fifth grade students' 21st century skills and scientific epistemological beliefs. The sample of the study was consisted of 54 fifth grade students from a rural elementary school in Turkey. Quasi-experimental design with pre-test and posttest control group was used. As…

This study assessed the effectiveness of an online-merge-offline Jamboard application as an innovation in teaching word problems to Grade 4 learners was evaluated in this study. The research evaluates a learner's level of mathematical word problem skills in terms of understanding, devising a plan, solving a problem, and interpreting, as well as…

English spelling has always been described by many language researchers and teachers as a daunting task especially for learners whose first language is not English. This monograph presents the report of an investigation on the use of spelling, which includes the determining factor of grammar in the teaching of English, in it we will develop a…

This paper makes a conceptual argument for using the Decoding the Disciplines research paradigm as a pedagogical innovation in the field of teacher education. It incorporates empirical findings from a research project in which teacher candidates conduct Decoding interviews to deepen understanding of historical thinking and learn pedagogical…

Solving word problems is challenging in elementary schools, both for the teacher in teaching students to solve word problems and for the student in learning to solve them. This paper examines how the ideas of learning trajectory and variation pedagogy could be integrated as an instructional principle for teaching this content in the context of…

The present study examines the effect of visual scaffolding on promoting number sense skills (including number recognition, counting, ordinality, comparison, and calculation) of Egyptian autistic children mainstreamed in kindergartens. The participants were five autistic children, enrolled in the second level of kindergarten (ages 5-6).…

This study was designed to determine the effect of computer simulation instructional strategy on primary school pupils' achievement in basic science in Akure township in Ondo state, Nigeria. Constructivist theory was used as the framework, while the study adopted pretest-posttest control group quasi-experimental design. Four primary schools were…

Based on the growing support that relates reading comprehension with morphological awareness, a short intervention was designed and piloted to see if instruction in morphological analysis could improve reading comprehension or vocabulary with primary school students. The intervention was piloted with a small group focusing on pre- and post-test…

This study analyzed emotional self-regulation in relation to K-9 and K-10 school children's emotional intelligence defined on three dimensions: Emotional attention, clarity of feelings, and emotional repair. The objective was to analyze the students' perceptions of skills and capacities that promoted the awareness of emotions when performing…

The current study examined the effects of a silent rapid reading skills training intervention on the reading rate and reading achievement of primary school students in China in order to determine the efficacy of the intervention and explore potential gender differences. A total of 108 Chinese primary school students were randomly assigned by the…

The Project Fit America (PFA) curriculum was initiated in 1990 with a mission to create and provide quality opportunities for American school children to be active, healthy, and fit. This study assessed the effect of the PFA curriculum and outdoor fitness equipment on fitness testing scores of elementary school students. Participants were 4th- and…

The present study tested the self-teaching hypothesis in orthographic learning in Chinese and examined the roles of semantic radicals and writing practice. Twenty-four Mandarin-speaking third graders read and comprehended eight two-sentence stories in a read-twice condition and eight in a read-write condition. Each story contained two…