Some theories from cognitive psychology and mathematics education suggest that children's understanding of mathematical concepts develops together with their knowledge of mathematical procedures. However, previous research into children's understanding of the inverse relationship between addition and subtraction suggests that there are individual…

Structural equation modeling (SEM) is widely used as a statistical framework to test complex models in behavioral and social sciences. When the number of publications increases, there is a need to systematically synthesize them. Methodology of synthesizing findings in the context of SEM is known as meta-analytic SEM (MASEM). Although correlation…

A 3-part comprehensive synthesis of the early intensive behavioral intervention (EIBI) for young children with autism based on the University of California at Los Angeles Young Autism Project method (Lovaas in Journal of Consulting and Clinical Psychology, 55, 3-9, 1987) is presented. The three components of the synthesis were: (a) descriptive…

Society qualitatively participates in the implementation of corresponding tasks only when it is informed. An analysis of the National Strategy for Sustainable Development of Lithuania expresses concern regarding shortage of information: information receivers are scantily informed, whilst information providers themselves are scantily informed about…

Environmental factors play a role in musical development, particularly in the critical period of early childhood. Children have the capacity to learn in the first days of life, long before entering formal schooling. Music education during this period is consequently the responsibility of parents, caregivers, and early childhood teachers. These…

This report collects the results of all available empirical studies using the best available scientific methods to measure how school vouchers affect academic outcomes for participants, and all available studies on how vouchers affect outcomes in public schools. Contrary to the widespread claim that vouchers do not benefit participants and hurt…

During this decade there have been numerous efforts to identify instructional practices that improve students' writing. These include "Reading Next" (Biancarosa and Snow, 2004), which provided a set of instructional recommendations for improving writing, and "Writing Next" (Graham and Perin, 2007) and "Writing to Read" (Graham and Hebert, 2010),…

Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterised by high levels of inattention, hyperactivity and impulsivity that are present before the age of seven years, seen in a range of situations, inconsistent with the child's developmental level and causing social or academic impairment. Parent training…

This is a structured abstract of a meta-analysis conducted by T. E. Scruggs, M. A. Mastropieri, S. Berkeley, and J. E. Graetz, published in "Remedial & Special Education" (2009). The authors of the original paper describe findings from a research synthesis on content area instruction for students with disabilities. Seventy studies…

Background: Many countries rely on immigrants for population growth and to maintain a skilled workforce. However, many such immigrants face literacy-related barriers to success in education and in the labour force. Aims: This meta-analysis reviews experimental and quasi-experimental studies to examine strategies for teaching English literacy to…

This meta-analysis investigated the efficacy of peer-mediated interventions for promoting social interactions among children from birth to eight years of age diagnosed with ASD. Forty-five single-subject design studies were analyzed and the effect sizes were calculated by the regression model developed by Allison and Gorman (1993). The overall…

Objective: The effects of school-based antibullying programs have typically been examined on small samples, with number of schools ranging from 1 to 78 (Farrington & Ttofi, 2009). This study investigated the effectiveness of the KiVa antibullying program in the beginning of its nationwide implementation in Finland. Method: At each time point,…

Although previous meta-analyses have documented the efficacy of computer-assisted statistics instruction, the current study examined a range of specific features that presumably influence its effectiveness, such as the level of learner engagement, learner control, and the nature of feedback. In 45 experimental studies with a control condition,…

The "TOEFL Junior"® Standard Test is an assessment that measures the degree to which middle school-aged students learning English as a second language have attained proficiency in the academic and social English skills representative of English-medium instructional environments. The assessment measures skills in three areas: listening…

Even though there numerous books, articles, research studies, and other publications written since National Council of Teacher of Mathematics (NCTM) published "Curriculum and Evaluation Standards of School Mathematics" in 1989 have advocated the use of manipulatives in the teaching of mathematics, there is no conclusive evidence showing that the…