Positivism is a school or school philosophy that states that the only authentic knowledge is scientific knowledge, and that such knowledge can only come from affirmation of theories through the scientific method. Positivism derived from the epistemology that emerges in US at the beginning of the nineteenth century in the hands of French thinker Saint-Simon first, from Auguste Comte second and Britain's John Stuart Mill and extends and develops for the rest of Europe in the second half of this century (Alexander, 2002). According to this school, all philosophical and scientific activities should be carried out only within the framework of the analysis of the facts real verified by experience.
Critical theory aims to him on the structural conditions of the social totality, wants to see beneath the surface, the ruling order feels unbearable and wants demystify the prevailing mischief. It works based on experience and would like to convert concepts that are worn on the outside of the case in terms of the thing itself and its potential (Creswell, 2003). So should the actual state are confronted with the real as possible (deontological understanding of science). Critical theory therefore put no firm predictions as they always remained in the domestic social horizon that they would precisely negate or transcend: The company formative principle should repealed be, rather than on the principle that focused hypothesis will be verified in the future publication (Halfpenny, 2002).
The research project was established with scientific principles to the collection and processing of data, investigations are conducted in accordance with the main principles of statistical analysis and following all the various steps required to achieve significant results. In this first phase of the project we have studied the different data collection techniques that will be used in carrying out socio-economic surveys will be presented together with the main steps followed for the conduct of investigations (Beaglehole, 1993). It 'should be at this stage of research because you can find very interesting information that will help us better understand the issues to analyze and to set the other phases of research with greater precision. n particular, the comparison during the analysis desk was crucial, he created a veritable stage focus groups where respondents were compared and discussed the issues under investigation, and above all have interpreted the questionnaire. Just the interpretation of the questions was the most significant aspect, in fact it was possible to figure out what would be the most common errors in filling out the questionnaire and what were the questions difficult to understand or ambiguous interpretation.
But empiricism is only one of many possible methods, the limitations of the methodology followed by the limitations of the matter. Subject of empirical research was (and statistical information like age, income etc) Subjective i.e. opinions, settings and behaviors. Statistics thereby resulting in the methodological sense of an objective assessment of subjective: how subjects see themselves and the world (Beaglehole, 1993). It will be abstracted from the social ...