Rigor científico en las prácticas de investigación cualitativa

the following article develops an analysis of the criteria of scientific rigour which according to the specializated literature guide -or should guide- the process of qualitative research in social sciences. at first, we review the contemporary discussion on these criteria including the proposals of different authors; then, we develop the analysis of the different positions considering their distance to the traditional quantitative research and the stage of the research process they belong to, and finally we discuss the implications for the educational research.