background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...

Statistics show that in many countries of the world holidays are associated with an increase morbidity and mortality; this is especially pronounced during New Year Christmas period. This article presents estimate excess number deaths Russia January 2011–2019 by main classes causes death age groups. The study relies on Rosstat dataset 16.83 million individual non-personalized records referring t...

this paper describes a small empirical study aimed at attempting to give an answer to the question: “will virtual reality provide a substitute for the tourism product”? It identifies that the development of VR (virtual reality) [1] has enormous potential both for the companies that operate in the tourism sector and for the consumers of their services. It applied the methodology of hypothesis te...

Background: Contrary to the myth that suicides increase around Christmas, multiple studies reveal that suicide rates decrease towards Christmas and return back to normal or even peak in the beginning of the new year. We aimed to replicate this effect for Austria. Methods: The analyses were based on the official suicide statistics 2000 – 2013 using Poission regression and Bayesian changepoint an...

In this study children received instruction in Repeated Reading of text in a Whole Class situation. Previous Research Projects have shown the benefits of individualized instruction and explicit teaching to individuals or small groups which have resulted in improvements in a child’s reading ability. This study investigated the impact on children’s reading ability when taught in a whole class sit...