Purpose: This paper aimed to examine moderate-to-vigorous physical activity (MVPA) levels in physical education. Method: A review of reviews was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The screening process, data extraction, assessment of the risk of bias, and analysis of the…

The theory of mind (ToM) is the ability to understand mental states in others. The previous research has highlighted age- and language-dependent effects during childhood and provided inconsistent data regarding the role of gender. Notably, these variables were rarely studied simultaneously among adolescents. Accordingly, this short longitudinal…

Patterns and generalization are one of the most fundamental aspects of mathematics, which makes recent decades, mathematical tasks which include patterns, whether they are numerical or graphical, are mostly used, for example researching generalization. The aim of this paper is to investigate how a special kind of task concerning well-known…

Principals (policy makers) have debated the progress in U.S. student performance for a half century or more. Informing these conversations, survey agents have administered seven million psychometrically linked tests in math and reading in 160 waves to national probability samples of selected cohorts born between 1954 and 2007. This study is the…

The subject of the article is the issue of the use of mobile phones by young people and possible dangers resulting from the dysfunctional use of mobile phones. The analysis of this issue was started from the theoretical side of the phonoholism phenomenon presentation. The definitions related to the use of a mobile phone are presented and the risks…