Current research has established that inclusive schooling alone cannot ensure the social participation of all children -- a central goal of inclusive education. Therefore, this study examines whether the participation of students is dependant on the type of difficulty they experience (learning vs. behavioural) and the degree of class cohesion.…

This study used a single-case design to investigate the effectiveness of Daily Behavior Report Cards (DBRC) in addressing elementary school children's disruptive behavior. The study, conducted in a German elementary school, involved ten second-grade students identified by their teachers as exhibiting disruptive behaviors. The procedures included…

This study examined the new self-report version of the Strengths and Difficulties Questionnaire (SDQ-S), SDQ-Kids, in primary school children regarding internal consistency, teacher-child agreement, and validity. Data from 2,655 children in Grades 1 to 3 and their teachers were analyzed. Children completed SDQ-Kids, previously piloted (n = 896),…

The increasing number of students who lack proficient reading skills is well known in Germany, as well as globally. Students with learning disabilities (LD), problem behavior, and German as a second language (L2) may face even greater hurdles. However, it is essential for teachers to provide adequate support to maintain equal educational…

Supporting students with difficulties in learning mathematics is a challenge for teachers and educational administrators. Formative assessment is considered to play a successful role in supporting at-risk students as well as students without difficulties in mathematics. There is a need for intervention programs, including formative assessment…

Social participation of pupils with special educational needs (SEN) is a central topic in the current inclusion debate. Numerous studies have shown that the risk of social exclusion is considerably higher for children with SEN compared to their peers without SEN, especially for pupils with behaviour problems (BP) or learning difficulties (LD).…

Despite the important role that metacognition plays in school mathematics, attention has only recently turned to primary grades. The aim of this exploratory qualitative study was to find out to what extent 6 second graders engage in metacognitive behaviors during mathematics problem-solving. The analysis was based on the adaptation of the…

Children with externalized behavioral problems (BP) are at increased risk of being affected by a lack of social skills and academic engagement, and reading difficulties can frequently occur. Peer-tutoring (PT) interventions demonstrably promote both positive behavior and academic outcomes. To foster these effects, using interdependent group-reward…

Although the general development of mathematical abilities in primary school has been the focus of many researchers, the development of place value understanding has rarely been investigated to date. This is possibly due to the lack of conceptual approaches and empirical studies related to this topic. To fill this gap, a theory-driven and…

The aim of the present study was to investigate the associations between elementary school children's mathematical achievement and their conservation abilities, visuospatial skills, and numerosity processing speed. We also assessed differences in these abilities between children with different types of learning problems. In Study 1 (N = 229), we…

One crucial issue in mathematics development is how children come to spontaneously apply arithmetical principles (e.g. commutativity). According to expertise research, well-integrated conceptual and procedural knowledge is required. Here, we report a method composed of two independent tasks that assessed in an unobtrusive manner the spontaneous…

Recent studies showed that kindergarten children solve addition, subtraction, doubling and halving problems using the core system for the approximate representation of numerical magnitude. In Study 1, 34 first-grade students in their first week of schooling solved approximate arithmetic problems in a number range up to 100 regarding all four basic…

Six experiments with 42 kindergartners, 190 first graders, and 15 second graders in Germany investigated why arithmetic word problems with an unknown reference set are more difficult for children than are problems with an unknown compare set. Lack of access to flexible language use makes these problems so difficult. (SLD)