CODE OF ETHICS: Researchers should maintain a level of integrity in their behavior, not working offensively and commitment to honesty. To get integrated in the study group, which involves risks and unclog moods, interpreting different facets or masks and be part of the study object. 'Partaker Observation' requires the observer's presence but so that this does not disturb the development of matters. Basic inquiry responsibilities: towards people, animals and environment, to knowledge and science, to the public, to students, to the dissemination of results. AMERICAN ANTHROPOLOGICAL ASSOCIATION (AAA).