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Evolution of Data Documentation. ICPSR 2012. Evolution of Data Documentation. Codebooks!. Codebooks!. Codebooks!. Codebooks!. Description of study Description of files Description of variables Survey instrument Classification Standard. Codebooks!.
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Evolution of Data Documentation ICPSR 2012
Codebooks! • Description of study • Description of files • Description of variables • Survey instrument • Classification Standard
Codebooks! • Location of variables in the data file
Codebooks! • Values, Labels, Frequencies…
Problems of early digital codebooks (part 1) PDF Osiris Osiris dictionary SPSS cards SPSS CBLT Book
(user has to re-create information inorder to re-use information) PDF Machine “readable” but not Machine “actionable” Osiris Osiris dictionary SPSS cards SPSS CBLT Book
DDI 1 and 2 Built to emulate early code BOOKS and digital Codebooks… 1.0 DOCUMENT DESCRIPTION 2.0 STUDY DESCRIPTION 3.0 DATA FILES DESCRIPTION 4.0 VARIABLE DESCRIPTION 5.0 OTHER STUDY-RELATED MATERIALS
Problems of early digital codebooks (part 2) • Static, inflexible. • Meant to document the end point of research -- Views research as linear. • Hard to re-use the information for new research.
Problems of DDI 1 and 2 • Emulated the Code Book • Not flexible enough • We could do so much more…
DDI 1 and 2 • Document Description • Study Description • Data Files Description • Variable Description • Other Study-Related Materials
DDI 1 and 2 DDI 3 • Document Description • Study Description • Data Files Description • Variable Description • Other Study-Related Materials • Study Concept • Data Collection • Data Processing • Data Distribution • Data Archiving • Data Discovery • Data Analysis • Repurposing