درباره 2,000 مردم به GSS 2006 پاسخ دادند، اما تنها بخش کوچکی از آنها درباره آشنایان خویش خواسته شد و دوباره در 2008 و 2010 مورد بررسی قرار گرفتند.
About 2,000 people responded to the GSS 2006 survey, but only a smaller portion were asked about their acquaintances and re-surveyed in 2008 and 2010.