The group work took place over a four year period between the years of 2003 and 2007 in south-western Iceland, where 11 groups were formed consisting of 75 participants (40 females and 35 males).
Hópastarfið fór fram á árunum 2003-2007 og alls tóku 75 manns (40 konur og 35 karlar) þátt í 11 mismunandi hópum, sem hver hittist sex sinnum undir leiðsögn sálfræðings.