<status value="draft"/><experimental value="false"/><date value="2018-08-19T21:48:56+10:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="Codes for the kind of study objective."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/research-study-objective-type"/><content value="complete"/><concept><code value="primary"/><display value="Primary"/><definition value="The 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."/></concept><concept><code value="secondary"/><display value="Secondary"/><definition value="Question to be answered in the study that is of lesser importance than the primary objective."/></concept><concept><code value="exploratory"/><display value="Exploratory"/><definition value="Exploratory questions to be answered in the study."/></concept></CodeSystem>

ResearchStudyObjectiveType

Codes for the kind of study objective.

This code system http://terminology.hl7.org/CodeSystem/research-study-objective-type defines the following codes:

Code	Display	Definition
primary	Primary	The 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	Secondary	Question to be answered in the study that is of lesser importance than the primary objective.
exploratory	Exploratory	Exploratory questions to be answered in the study.