Observation A method for creating observation results. This term should be used when a Result is generated but the more specific terms of Instrument deployment or Specimen analysis are not applicable. Observation ODM2 MethodType Controlled Vocabulary ODM2 Working Group A vocabulary for describing types of Methods associated with creating observations. MethodTypes correspond with ActionTypes in ODM2. An Action must be performed using an appropriate MethodType - e.g., a specimen collection Action should be associated with a specimen collection method.