Arbitron To Release Revised NY PPM Data June 8th
May 26, 2009 at 2:46 PM (PT)
In an e-mail to its subscribers, ARBITRON has announced that it will postpone the release date of the APRIL 2009 NEW YORK monthly PPM data and NEW YORK data for MAY Week 1 -- again -- from WEDNESDAY, MAY 27th at noon ET to MONDAY, JUNE 8th at noon ET . The APRIL/MAY estimates for week 1 will still come out TOMORROW (5/17), with revised data for HOLIDAY 2008 - MARCH 2009 released on MONDAY, JUNE 8th.
"While conducting a quality review in advance of the release of APRIL PPM data, ARBITRON discovered that manually entered population numbers in one instance had been transposed in the internal files used for processing NEW YORK PPM data," the e-mail noted. "We subsequently reviewed all PPM markets and found no other instances of transpositions.
"Our review also found that the transposition, which occurred during preparation for OCTOBER 2008 report processing, appears to have affected NEW YORK audience estimates for the HOLIDAY 2008-MARCH 2009 report periods sufficiently to warrant the issuance of revised audience estimates for those report periods."
"Please note as well that we are taking additional quality control measures for future reports. These measures include the replacement of manual processes that rely on clerical data entry with automated processes where possible."