https://www.nzma.org.nz/__data/assets/pdf_file/0003/17949/Vol-117-No-1206-26-November-2004.pdf

The write-up begins on page 34. I'd be interested in any help analyzing/critiquing the methods used here. I haven't been able to find the exact questionnaire used yet so if anyone comes across that I would greatly appreciate it as well.