The present study aimed to examine children's and adults' performance and strategies in volume estimations. Three tasks were designed and presented to 40 adults and 40 6th grade children who were asked to estimate: (a) the number of unit measures (bricks/rice spoons) that may be put in a container, (b) the quantity of bricks/rice, between two…

In this study, we propose an integrated hierarchical model of computational estimation strategies (IHMCES), which can be used to organize a set of computational estimation strategies, used by a group of individuals, in strategy ranges. IHMCES can be used for the description of the repertoire, profile and flexibility of individuals regarding the…

Data analysis is one of the most popular fields of mathematics and includes statistics and probability. These two mathematical domains are some of the most well-known, influencing everyday life and the various sciences. Their teaching lays the foundation for primary education and culminates in secondary education. Probability and statistics are…

The present study primarily aims at comparing the ELT curricula of Turkey and Greece concerning primary-level education. With this aim, a large number of articles, educational websites, theses, and dissertations, along with The Organization for Economic Co-operation and Development (OECD) reports and Ministry of National Education (MoNE) reports…

This quasi-experimental study used a repeated measures design to examine the effects of three manipulated classroom goal structures (i.e. mastery, performance-approach, performance-avoidance) on grammar achievement, perceived autonomy support, flow experience, and affect for 49 Greek elementary school students (ages 11-12; 48% girls). Over a…

Health-Related Quality of Life (HRQOL) and anxiety were measured in 233 school-age siblings of individuals with Autism Spectrum Disorders (ASD) and siblings of Typically Developing (TD) children in Greece. The aim of the study was to investigate for any association between siblings' HRQOL or anxiety and parental mental health, perceived social…

The purpose of this present study is to explore the effect of an instructional approach that utilizes Information and Communication Technology (ICTs) and is based on Van Hiele's levels of geometric thought and Hoffer's skills that describe them, for the instruction of the English Alphabet. The sample of the present research consisted of Greek…

Recent studies highlight the important contribution of phonological working memory (PM) in the early stages of both native and foreign language development. However, research on the effects of PM training on language development is very limited. This study aimed at assessing the effectiveness of a PM training educational intervention as a means of…

This study explores the differences in the motivational profiles of under-achieving gifted students and high-achieving gifted and non-gifted students. In comparison to their high-achieving peers, under-achieving gifted students reported weaker motivational orientations, in both achievement and social goals, as well as in intrinsic motivation.…

The present study explores discourse and long-term effects of structured input (SI) and structured output when delivered in isolation or in combination on the acquisition of the English causative. Research investigating the effects of SI has indicated that it is the causative variable in the positive effects of processing instruction. To provide…

In contrast to the countries of Western Europe, the end of the Second World War did not bring political restoration, economic recovery, or the emergence of a new social order to Greece. Subscribing to the view that the material form of books and their typography convey meaning, this article presents a comparative study of the design and production…

The Strategy Inventory for Language Learning (SILL) [Oxford, R.L. 1990. Language Learning Strategies: What Every Teacher Should Know. Boston: Heinle and Heinle] has been a widely used instrument for self-assessing the frequency of language learning strategy use across cultures and levels of education for some 30 years. Despite the fact that its…

The differences and similarities in the word recognition and reading comprehension skills of monoliterate Albanian-Greek (ML2), biliterate Albanian-Greek (BL2) and monolingual (L1) children in grades 3-6 were examined in two cross-sectional studies. Participants completed standardized and experimental tasks measuring cognitive, oral language and…

In the current research, the use of students' metacognitive strategies with and without special learning difficulties was studied as well as any differentiation of this use because of class or gender. The tool which was used was Junior Metacognitive Awareness Inventory, Version B (Jr. MAI) of Sperling et al. (2002) and is based on Brown's…

This paper refers to whole school interventions aiming to promote student learning outcomes through improving the functioning of school factors. Evaluation studies of these interventions mainly measure their impact on student learning outcomes. This paper argues for the importance of studying the mechanisms of whole school interventions through…