“…In total, more than 150 questions were included in the questionnaire, of which a majority used a structured, closed-ended format. To study the impact of the design and use of tent shelters on users' well-being, some data collection techniques used by several studies of environmental psychology were adopted as a reference (Byrne, Barry, & Nelson, 1963;Derogatis, Lipman, Rickels, Uhlenhuth, & Covi, 1974;Leon, 1991;Mackay, Cox, Burrows, & Lazzerini, 1978;Ursin et al, 1991). These studies all used self-descriptive questionnaires as instruments to explore various aspects of psychological well-being such as mood, stress, depression, and anxiety.…”