metadata driven survey research alerk amin, centerdata jeremy iverson, colectica
TRANSCRIPT
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METADATA DRIVENSURVEY RESEARCH
Alerk Amin, CentERdata
Jeremy Iverson, Colectica
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What is Metadata?
Data (survey data) Metadata (data about data) Paradata (data about process)
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Paradata
Empirical measurements about the process of creating survey data
Paradata is data
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Metadata
DATA
Survey data
ParadataMetadata
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Why is Metadata Important?
“Survey documentation and metadata are vital products of a survey and need careful consideration at the point of survey design so that the data will be useful.”
From Survey Methodology, by Robert M. Groves, Floyd J. Fowler, Mick P. Couper, James M. Lepkowski, Eleanor Singer
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AER Data Availability Policy
“It is the policy of the American Economic Review to publish papers only if the data used in the analysis are clearly and precisely documented and are readily available to any researcher for purposes of replication.”
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“Current” Situation
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Questionnaire Development
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The Data Lifecycle
Documentation
Lost
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A Better Solution
Metadata-Driven Survey Research
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Metadata Driven Survey Research
Metadata
Survey instruments
Paper questionnaires
Statistical source code
Paper documentation
Web documentation
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Questionnaire Development
Better, faster, cheaper Eliminate cut-and-paste from Word/Excel Automate more of the process Metadata reuse saves even more time
and effort for longitudinal surveys
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Survey Documentation
Integral part of process Easier to capture work done by all
people/agencies in data collection process
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Metadata Repositories
Leverage metadata both inside & outside organization
Allows for Concept Banks Question Banks Variable Banks Classification Banks
Link to other repositories when reusing questions
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Researcher Questions
What studies explore these concepts? What questionnaires use this question? What datasets have this variable?
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Increased Understanding
Improved discoverability Improved comparability Researchers understand more of data
collection process
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How to do this?
It’s possible today
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DDI 3
Documents all stages of data lifecycle Defines elements and relationships Designed for reuse of elements Provides structured method of describing
additional data Geographic data Medical data Biomarker data
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DDI Workflow
Define the metadata and relationships
Automate everything else
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DDI 3 Tools
ColecticaQuestasy
DDA Metadata
EditorCanada
RDC Tools
STARDAT
Custom tools
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Colectica
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Questasy
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DDA Metadata Editor