%0 Journal Article %T Validaci¨®n del intervenciones £¿SOFT OR£¿ %A Gonz¨¢lez %A Carlos Ra¨²l Navarro %A Ben¨ªtez %A Sara Ojeda %J Investiga£¿£¿o Operacional %D 2008 %I Scientific Electronic Library Online %X in order to subsist and be successful in this environment with greater complexity and competition, any organization is urged to start and keep a inquiry-learning-improvement cycle; establish and increase this cycle is the objective of the soft systems approach -also know as £¿soft operations research£¿ £¿soft or£¿ or £¿soft system methodology£¿ £¿ssm£¿-. the big benefits of £¿soft or£¿ and ssm is recognized by many authors, unfortunately any soft approach has an inherent difficulty to be validate in an objectivity way; thus, in many cases, it£¿s application not produces the expected cycle of inquiry-learning-improvement or worse only in isolated interventions that not always achieve success. in this way, this work gives a proposal methodology to evaluate in an objective manner the £¿soft or£¿ approach trough the measurement of the organizational achieved; also to identify and evaluate elements (from organization, team members, or methodologist) than may limit the obtained success. an application case was provided and strong and weak elements from it£¿s applications was discussed. %K system approach %K soft system %K soft or %K validation %K evaluation. %U http://www.scielo.gpeari.mctes.pt/scielo.php?script=sci_abstract&pid=S0874-51612008000100005&lng=en&nrm=iso&tlng=en