Study

Package: 
Version: 
1
Is Abstract: 
no
Is Pattern: 
no
Definition: 

Study is the conceptual anchor for an individual collection activity resulting in a data set or data file. It can be both a part of a StudySeries as a wave etc. or an unrelated activity like a single survey project.

Explanatory Notes: 

The Study class brings together many properties and relationships describing a set of data – coverage, kind of data, methodology, citation information, access information and more.

Example: 
ICPSR study 35575 Americans and the Arts [1973 - 1992] (ICPSR 35575). https://www.icpsr.umich.edu/icpsrweb/ICPSR/studies/35575?dataFormat%5B0%5D=SAS&keyword%5B0%5D=public+opinion&geography%5B0%5D=United+States&searchSource=revise
Property: 
NameCardinalityDatatypeDescription
kindOfData
0..n
Describes, with a string or a term from a controlled vocabulary, the kind of data documented in the logical product(s) of a study unit. Examples include survey data, census/enumeration data, administrative data, measurement data, assessment data, demographic data, voting data, etc.
overview
0..1
A general descriptive overview of the Study
bibliographicCitation
0..1
Complete bibliographic reference containing all of the standard elements of a citation that can be used to cite the work. The "format" attribute is provided to enable specification of the particular citation style used, e.g., APA, MLA, Chicago, etc.
Relationship: 
NameTarget ObjectDescriptionSource cardinalityTarget cardinalityRelationship type
partOfSeries
A series in which this Study takes part.
0..n
0..n
Neither
hasCoverage
Spatial, Temporal, and Topical coverage information for the Study
0..n
0..n
Neither
hasAnalysisUnit
Unit(s) of analysis for the study, e.g. persons, households.
0..n
0..n
Neither
hasPopulation
The set of specific Units studied. Examples: 1. Canadian adult persons residing in Canada on 13 November 1956 2. US computer companies at the end of 2012 3. Universities in Denmark 1 January 2011.
0..n
0..n
Neither
hasUniverse
The defined classes of Units related to the data, Examples: 1. Canadian adults (not limited to those residing in Canada) 2. Computer companies 3. Universities
0..n
0..n
Neither
hasDesign
The design for the Study
0..n
0..1
Neither
hasProcess
Overview of the Process employed in the Study
0..n
0..n
Neither
hasInstrument
The implemented instruments used in capturing the data. The ImplentedInstrument designates the mode of delivery, a relation to an external representation of the instrument, and reference to the conceptual instrument that contains more detailed information on the content of the instrument.
0..n
0..n
Neither
hasEmbargo
Information about data that are not currently available because of policies established by the principal investigators and/or data producers.
0..n
0..1
Neither
accessInformation
Information relating to the availability of data from the study.
0..n
0..1
Neither
hasFundingInformation
Information about the individual, agency and/or grant(s) which funded the described entity.
0..n
0..n
Neither
hasAuthorizationSource
The authorizing agency and allows for the full text of the authorization (law, regulation, or other form of authorization).
0..n
0..n
Neither
hasQualityStatement
A statement of quality which may be related to an external standard or contain a simple statement of internal quality goals or expectations.
0..n
0..1
Neither
hasBudget
A description of the budget for the Study
0..1
0..1
Neither
hasInstanceVariable
A variable describing actual instances of data as recorded in the study. An example might be self reported gender, with categories of male encoded as "0" and female encoded as "1", with missing values recorded as "-9" for refused and "-8" as "not asked", recorded (physically) as an integer.
0..n
0..n
Neither
realizes
A Study can be a member of a Collection (a StudySeries)
0..n
1..1
Neither
hasExPostEvaluation
Evaluation for the purpose of reviewing the study, data collection, data processing, or management processes.
0..1
0..n
Neither
hasSamplingProcedure
The methodologies for sampling employed by the study.
0..n
0..n
Neither
hasMethodology
A relationship to a description of a simple overview, in which case the MethodologyOverView class should be the target.
0..n
0..n
Neither
hasAlgorithm
A relationship to a description of a simple overview, in which case the AlgorithmOverView class should be the target.
0..n
0..n
Neither
hasConcept
A Study may relate to multiple concepts. These may also be denoted by keywords in an Annotation.
0..n
0..n
Neither
hasVariableCollection
A Study may relate to a multiple collections of variables which may be defined by type, subject, use, source, etc.
0..n
0..n
Neither

Stage:

DDI 3.2: 
s:StudyUnitType
Is extendable: 
Is property: 
0
RDF Mapping: 

Comments

larry's picture

may need physical resource information