#JSM2018 Tobias Schmidt Looking at interviewer experience and interview duration 
#JSM2018 Schmidt In this survey, duration linked to interviewer salaries.
#JSM2018 Schmidt Looking at interviewer experience over the course of survey and respondent experience within survey and experience over repeated surveys. Looking in particular at experience within panel survey for both Iers and Rs
#JSM2018 Schmidt Use German wealth survey with knowledgeable person in HH. 1/3 of interviewers same over 3 years. In HH survey, add in refresher sample
#JSM2018 Schmidt Have interview length with knowledgeable R, length per item, and length per section. Survey about 65 minutes long, each item about 17 seconds long on average
#JSM2018 Schmidt Panel interviewers have shorter interviews than new interviewers, but assigned different cases. No difference in per item interview time.
#JSM2018 Schmidt No real difference in time per item by overall experience, but find a decline in interview length over field period
#JSM2018 Schmidt Panel households take longer to answer each item than refresher households
#JSM2018 Schmidt Interview duration gets shorter over sections of qnaire (but content differs)
