Planteamiento del Problema: VARIABLES
Ortega Andrade, Norma Angélica
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This topic will discuss the concept of variables, what role in the investigation and their characteristics according to their nature, amy be, by their nature -quantitative and qualitative-; for they level of measurement-nominal, ordina, interval and reason. For the relationship between dependent and independent variables, and handling - attributes, activities or odd- (Gracía, 2009).