Improving data services by creating a question database. Nanna Floor Clausen Danish Data Archives

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1 Improving data services by creating a question database Nanna Floor Clausen Danish Data Archives

2 Background Pressure on the students Decrease in response rates The users want more

3 Why a question database? Study descriptions Html format Study management database Codebooks in PDFformat Study descriptions database Search catalogue Controlled vocabulary for keywords Search by topic Searchabl e Question Database

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5 Present tools Tool for reading SPSS and create OSIRIS files Tool for converting OSIRIS files to SPSS Question Database Developing a system for managing physical files Scanned questionnaires Codebooks

6 What s in it for me? The end user Additional methods for identifying surveys New possibilities for comparative research Support in the construction of new questionnaires and questions New possibility for generating time series Longitudinal analysis of a question Research on the question formulations More open access and insight into the surveys...and much more

7 What s in it for me? The data provider Improvement of the data service Reduces service costs Expectations: Increase the visibility of the data archive Increase the use of the data materials Improve the acquisition process

8 A world of information Specification All questions In survey listed CodeBook Survey Title Survey size StudyID VarNum QuestionText Study Description Scanned questionnaire Answer categories Explanation much more Methodology

9 With a click Intuitive search interface Possible options in the interface: Precision in search criteria Amount of information in search result Possibility for adding opted out information Selection of survey type Selection of population size in survey Methodology used in survey???

10 How will it all be achieved? Extract question text from OSIRIS files Simple question: Q Qst. 12: Has the consideration to the economy of the municipalities influenced K0024 your position to the question of a union of municipalities K0024 to a large degree, to some extent, to a very small extent K0024 or not at all? C To a large degree C To some extent C To a very small extent C Not at all C Don t know

11 Open question: Q Qst. 23: How many years have you stayed on this island? K0042 Number of years: X0042 The variable is coded in the interval K = 1 year or less K = Don t remember

12 Multiple response question:

13 Q Spm. 5: Har De i de sidste tre uger op til valget diskuteret K0008 politik med nogen i Deres n rmeste familie, med nogle af K0008 Deres venner, eller med nogle af Deres kolleger? K0008 K0008 Familie C Ja diskuteret C Nej ikke diskuteret C Har ikke familie C Ved ikke T0009 DISKUT. POLITIK M/VENNER V9 Q Spm. 5: Har De i de sidste tre uger op til valget diskuteret K0009 politik med nogen i Deres n rmeste familie, med nogle af K0009 Deres venner, eller med nogle af Deres kolleger? K0009 K0009 Venner C Ja diskuteret C Nej ikke diskuteret C Har ikke venner C Ved ikke T0010 DISKUT. POLITIK M/KOLLEG V10 Q Spm. 5: Har De i de sidste tre uger op til valget K0010 diskuteret politik med nogen i Deres n rmeste familie, med K0010 nogle af Deres venner, eller med nogle af Deres kolleger? K0010 K0010 Kolleger C Ja diskuteret C Nej ikke diskuteret C Har ikke kolleger C Ved ikke

14 Question database tables

15 Relation to methodology

16 Relation with study tables

17 Relation with FileManager

18 A little about the future Addition of questions from new surveys Create a database as close to the questionnaire as possible

19 THE END

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22 Search result Questi onnair e File- Size Metho - dolog y Surve y title StudyID Codebook Studydescri ption VarNum Question text Answer categorie s

23 Topics The objectives in a data archive The internal development in DDA Demands from the users /outside world Purposes of a question database Advantages for the end users Advantages for the data archive The web structure The design and construction of the database Updating and further development

24 Topics Background Why a question database? What s in it for me? A world of information with a click How will this be achieved A little about the future