Union of http://terminology.hl7.org/CodeSystem/research-study-objective-type and http://terminology.hl7.org/CodeSystem/research-study-objective-type

This is the CodeSystem that contains all the codes in ResearchStudyObjectiveType (http://terminology.hl7.org/CodeSystem/research-study-objective-type) and ResearchStudyObjectiveType (http://terminology.hl7.org/CodeSystem/research-study-objective-type). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 8fda5be8-6062-499f-986e-4c3692465c28-713

This code system http://hl7.org/fhir/comparison/CodeSystem/8fda5be8-6062-499f-986e-4c3692465c28-713 defines codes, but no codes are represented here

CodeDisplayDefinition
primary PrimaryThe main question to be answered, and the one that drives any statistical planning for the study—e.g., calculation of the sample size to provide the appropriate power for statistical testing.
secondary SecondaryQuestion to be answered in the study that is of lesser importance than the primary objective.
exploratory ExploratoryExploratory questions to be answered in the study.