This article analyzes the relationships between school-based social capital and the average test scores of 9th grade students in Polish middle schools. School-based social capital is understood in terms of supportive communities, and measured on the basis of the youngsters' positive perceptions of the school atmosphere and interpersonal relationships, the support they received from teachers and / or classmates, as well as their assessment of student participation in classroom discussions. Hierarchical linear regression models, estimated on a sample of 63 classes in twenty purposively selected middle schools, found a strong positive relationship between this form of social capital and the average mathematics and science test score.
Artykuł przedstawia wyniki badań wskazujące na poziom i rozwój umiejętności diagnostów samochodowych. Zaprezentowane wyniki obejmują zadanie zawodowe: diagnozowanie instalacji elektrycznej i wyposażenia elektrycznego w pojeździe. Realizacja tego zadania jest najbardziej związana ze zmianami konstrukcyjnymi pojazdów, które dokonują się poprzez zastosowanie systemów elektronicznych w układach lub sterowaniu układami samochodów.
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The article presents the results of research indicating the level and skill development of car diagnosticians. The results include the following vocational task: diagnosing electrical installation and equipment in the vehicle. This task is most associated with changes in vehicle construction taking place through the use of electronic systems or controlling car systems.
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