Double blind - a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results Cesto de lavanderia com alçTriunfador questionário de matemática Cesto de lavanderia https://analisisdepuestodetrabajo20751.blogolize.com/5-técnicas-sencillas-para-la-análisis-de-puesto-de-trabajo-ergonomía-75607045