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Post-editing: a source of inconsistencies

Post-editing: a source of inconsistencies. We are not alone! Ton de Waal, UN/ECE Work Session on Statistical Data Editing, Bonn, September 2006. Results of sociological and psychological research. Over 40 years of research has shown that basically two kinds of persons exist: Us Them

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Post-editing: a source of inconsistencies

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  1. Post-editing: a source of inconsistencies We are not alone! Ton de Waal,UN/ECE Work Session on Statistical Data Editing,Bonn, September 2006

  2. Results of sociological and psychological research • Over 40 years of research has shown that basically two kinds of persons exist: • Us • Them • Main characteristic of us: • Always right, unless misinformed by them • Main characteristic of them: • Always wrong, unless they listen to advice given by us

  3. Example of one of us • One of us could be responsible for monthly business statistics for certain branch of industry • focuses on specific domains for that branch • uses population frame available at that moment • uses background information available at that moment • aims for stable time series without much fluctuations over time • reducing fluctuations (variation) is more important than bias • many outliers are identified

  4. Example of one of them • One of them could be responsible for National Accounts • may focus on other domains as us • uses updated population frame • uses updated and more background information • aims for overview of entire economy • reducing bias is more important than reducing variance • less outliers need to be identified

  5. Problem of NSI’s • NSI’s need to produce information on related topics, but on different moments and from different points of view • Short term business statistics • Annual business statistics • Price indexes • National Accounts • Who are “us” and who are “them”?

  6. Conclusion • Need to aim for coherence and consistency across chain of related subprocesses • Agreements need to be made between various subprocesses • Methods of various subprocesses need to be geared one another • We are not alone!

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