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A brief tour of existing ESDS resources on harmonisation/equivalence

Recent and forthcoming resources for cross-national survey research: CESSDA PPP WP9 and ESDS International Jack Kneeshaw Economic and Social Data Service University of Essex, 27 January 2009. A brief tour of existing ESDS resources on harmonisation/equivalence.

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A brief tour of existing ESDS resources on harmonisation/equivalence

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  1. Recent and forthcoming resources for cross-national survey research: CESSDA PPP WP9 and ESDS InternationalJack KneeshawEconomic and Social Data ServiceUniversity of Essex, 27 January 2009

  2. A brief tour of existing ESDS resources on harmonisation/equivalence Focus of this presentation is on cross-national research resources but note ESDS-produced resources for UK data: • http://www.esds.ac.uk/government/dv/ • http://www.esds.ac.uk/government/themes/ • http://www.esds.ac.uk/longitudinal/support/resources.asp See also ONS - http://www.ons.gov.uk/about-statistics/harmonisation/index.html

  3. The issue: e.g. ESS e.g. Barometers, ISSP e.g. Eurostat, CNEF, SHARE Ex ante- Ex post- Cross-national equivalence (1): The issue • Problems making comparisons • ******************************* • Problems for both approaches: • concept, language, response (bias) • Problems mainly for ex-post: • instrument (question), method (universe, sample, mode, fieldwork)

  4. Cross-national equivalence (2): What’s already out there • Resources • http://www.esds.ac.uk/International/resources/research.asp • Centre for Comparative European Survey Data (CCESD) • Comparative Survey Design and Implementation (CSDI) • European Socio-economic Classification (ESeC) • European Data Center for Work and Welfare (EDACwowe) • European Panel Analysis Group (EPAG) • Eurostat’s RAMON • Harry Ganzeboom’s International Stratification and Mobility File (ISMF) • International Household Survey Network (IHSN) • Integrated Public Use Microdata Series (IPUMS) — International • Network of Economic and Social Science Infrastructures in Europe (NESSIE)

  5. Cross-national equivalence (3): CESSDA PPP WP9 What is CESSDA? - umbrella organisation for European social science data archives What is the PPP? - Preparatory Phase Project is a major new award totalling 2.7 million euros aimed at developing the CESSDA research infrastructure. Project consists of several interlinked yet individually-focused work packages, including WP9 … What is WP9? - Building an Infrastructure for Content Harmonisation and Conversion • http://www.cessda.org/project/doc/wp09_descr2.pdf • http://www.cessda.org/project/outputs/wp09workshop1/index.html

  6. CESSDA PPP WP9 … continued … “An impressive number of recent and continuing harmonisation efforts relating to aspects of social structure underline the high demand for harmonised data in the research community, … What this series of independent efforts is mostly lacking, however, is a perspective to preserve and maintain the results over a time span that is much longer than the respective projects’ duration. … … the key purpose of the present work package is to develop strategic options and future directions for preparing … CESSDA … to become a central focus for the collection, preservation, distribution, and further enrichment of such information, including the generation of additional harmonised datasets and tools for their discovery. … Extending the range of such harmonised data via the new infrastructure will in particular foster contributions from individual researchers without special funding for harmonisation efforts.” http://www.cessda.org/project/doc/wp09_descr2.pdf

  7. CESSDA PPP WP9 … continued … • Twin deliverables – • (1) CCCDB – Constructs, Classifications, Conversion DataBase • (2) QDB – Question DataBase • CCCDB a ‘central warehouse’ of standards and classifications but also allow for ‘input-output’ operations allowing for translation across country-specific and time-specific classifications • QDB – same principles as CCCDB but places survey question (e.g. questions on happiness) in methodological context • CCCDB and QDB to interface with each other

  8. CESSDA PPP WP9 … continued … • PPP to be followed by implementation phase …

  9. Cross-national equivalence (4): Undertaking Cross-national Research (ESDS International) • Small proof-of-concept project running parallel to CESSDA PPP WP9 but delivering sooner – hopefully (1) What’s been asked on … e.g., TRUST? • produce inventory across main surveys for questions on ‘trust’ • e.g., (2) How do the questions/methods/contexts differ? • ISSP, WVS, NDB, GSS …

  10. Undertaking cross-national research … continued … • Various caveats: • no funding; no commitment; just thinking aloud • reliant on feedback from methods experts • trial basis to estimate demand • be clear what can’t be done

  11. Undertaking cross-national research … continued … (2) How do the questions, methods, contexts differ? Produce (multi-purpose) contextual metadata (paradata) file • at survey level (i.e., ISSP-1996-GB) – vars to include universe, samp method, samp size, response, mode, translation detail, fieldwork dates, topic coverage – this is where harmonisation occurs and where expert feedback required • what’s out-of-scope: inter alia, ‘events’, question position and

  12. Undertaking Cross-national Research (ESDS International) … continued … Allows for a file to be constructed for a particular version of the trust question that includes many of the vars required for interpreting responses in their methodological context, e.g.: CaseCountry Trust var More vars Context/paradata variables matched in ISSP1998 1 TRUST01 >>> ISSP1998 2 TRUST01 >>> user pools cross-sections … ESS2002 1 TRUST01 >>> ESS2002 2 TRUST01 >>> Key: Taken from original file; matched in using context/paradata file

  13. In short • Many resources exist already, almost certainly underutilised • Resources being developed • CESSDA PPP WP9 • ESDS International • Please get in touch, offer comment!

  14. Contact www.esds.ac.uk help@esds.ac.uk

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