The sample was recruited through support groups, newsletters, online communities, special schools and local authority parent co-ordinators.
And DailyCandy, the women's e-mail newsletter service, started a sample sale site called Swirl.
According to the King's College newsletter, rather than just sample sounds, Herbert's performance investigated and compared the sounds of raw and processed foods.
16 17 A purposive sample was recruited through patient organisation websites, newsletters and information leaflets at local arthritis centres, as well as clinician offices.
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A nationally recruited convenience sample was sought via advertisement on websites and newsletters of two UK-wide stroke charities, stroke support groups, selected from regions across the UK, and from a regional stroke research participant newsletter.
All 1,500 women sampled were mailed a newsletter and information letter prior to recruitment by telephone in 2003 and 2004.
Ms. Levy, who runs Daily Candy, an online style newsletter that tips off subscribers to sample sales, restaurant openings and fashion finds, was on a hunt for high-fashion knockoffs for less than $50.
To obtain a range of opinions that reflected diverse practice settings, purposive sampling using letters of invitation, advertisements in member newsletters, and faxes was used to recruit GPs through three regional general practice support organisations (two metropolitan and one rural).
A newsletter introducing the study was mailed to the complete study sample (n = 1,500) in May 2003 using updated address information.
