en: In an attempt to explore the topic an extensive literature review was conducted, semi-structured interviews were held with a small sample of construction industry professionals, and an e-mail questionnaire survey of 1378 Icelandic organizations was sent out.
is: Í rannsókninni voru viðtöl tekin við íslenska verktaka og verkkaupa og viðamikil spurningakönnun var lögð fyrir um 1400 stjórnendur íslenskra fyrirtækja.