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THE AMERICAN TIME USE SURVEY : Activity Coding in Dress Rehearsal. Kristina Shelley Bureau of Labor Statistics International Association for Time Use Research October 17, 2002. ATUS Coding Background. FY 2001: 3 Census Bureau coding tests; 1 Westat coding test
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THE AMERICAN TIME USE SURVEY: Activity Coding in Dress Rehearsal Kristina Shelley Bureau of Labor Statistics International Association for Time Use Research October 17, 2002
ATUS Coding Background • FY 2001: 3 Census Bureau coding tests; 1 Westat coding test --tests evaluated coding lexicon, coding instrument, coding rules
ATUS Dress Rehearsal: interviewing training • How to use conversational interviewing techniques • How and when to probe • How to use collection instrument • Conducted practice interviews
ATUS Dress Rehearsal: coding training • Familiarized interviewers/coders with lexicon and coding rules • How to use coding instrument • Conducted mock coding exercises • Coding operations used Census Bureau interviewers, live interviews • Coding of interviews (not their own) began shortly after time diary collection
ATUS Dress Rehearsal: verification and adjudication process • Interviewer (coder) coded a case • 2nd interviewer (verifier) coded same case • If difference in activity codes, supervisor (adjudicator) assigned correct code and assigned error to coder, verifier, or both
Coding training results • Conversational interviewing and probing concepts still not clear • Exposed inconsistencies/problems with lexicon and coding rules • Confirmed usability of coding instrument • Coding efficiency increased over the survey period
Verification and adjudication results • Cumulative difference rate (April-August) = 12.81% • Rate improved from 14.25% in April to 12.54% in July (very few cases coded in August) • Individual rates ranged from 23% to 10% • Major flaw in the process: lack of interviewing feedback
BLS review of adjudication reports • Interviewer errors • Lexicon problems • Additional coding rules • Adjudicators as inexperienced as coders/verifiers
BLS solutions • Developed interviewer error codes • Corrected errors in lexicon • Restructured lexicon categories
BLS solutions • Added lexicon categories and examples • Clarified and added to coding rules • Developed new desk aids and coding exercises
What’s Next? • Refine conceptual definitions --adult care --recreation vs. entertainment --hobbies vs. unpaid work --work activities vs. income-generating activities
…what’s next • Change lexicon to maximize international comparability --volunteer activities • organization vs. activity-based • type of organization (for children, religion-based) --religious & spiritual activities • religious services and practices • weddings, funerals, wakes --helping and caring for adults • break out types of help and assistance
…what’s next • Revise coding rules --accompanying someone --doing favors --pet and animal care --lawn and garden care --travel as one of two simultaneous activities