The quality of national education depends on many factors, which traditionally include adult literacy, the total share of students receiving general, secondary vocational and higher education, the level of the material and technical base, etc. Based on these factors, a list of leading countries by the level of education is formed. The authors…

Introduction: The metacognitve ability to accurately estimate ones performance in a test, is assumed to be of central importance for initializing task-oriented effort. In addition activating adequate problem-solving strategies, and engaging in efficient error detection and correction. Although school children's' ability to estimate their own…