The potential of the reflective collective portfolio as a method of teaching, learning and assessment needs to be emphasized. The objectives is to assess and validate the quality of the collective portfolio as a method of teaching, learning and assessment in the training of health professional. Portfolio quality was analyzed using an inventory of analysis that was adapted and tested for this study. In total, 70 portfolios were analyzed. The Kappa test was used to analyze reproducibility, confirming the level of agreement between the appraisers. Descriptive analysis and the t-test were performed to compare results from the years the portfolios were produced. The constructs (layout and organization, comprehensive, reflective, critical and cre...