2015-06-152015-06-1519972174-6486http://hdl.handle.net/11441/25530We present in this article the theoretic and methodological frame of the studies carried out by the authors on teacher's professional knowledge and epistemological conceptions, taking as a reference the bases of the Model of Investigation at the School and the IRES curricular project. In a latter article we will analyse the data there obtainedapplication/pdfspaAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccess