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At the end of the spring wave, the number of completed interviews was similar to the same period last year. Of the 37 markets measured, 12 are at or above their spring target; another 14 are in the 95% – 99% range. The remaining markets are within 10% of their spring completion targets. A number of factors contributed to below target completions; increased ‘not-in-service” and non-residential numbers coupled with increased refusal rates have negatively affected the fieldwork performance.
The overall acceptance rate for the mail-back questionnaire remains stable compared to the same period last year. Approximately two-thirds of those who completed the telephone survey in the product markets accepted a product questionnaire.
The NADbank 2009 fall wave of interviewing began as scheduled on September 15. After the first two weeks of the fall wave, completed interviews are at comparable levels to the same period last year. Markets are being monitored on an individual basis in order to maintain or improve response rate. Fall targets for each market have been adjusted to reflect the number of interviews required to achieve the total 2009 target.