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An interdisciplinary debate on project perspectives

Table 1 Satisfaction categories based on Z-value with SD

From: Sustainable housing development: role and significance of satisfaction aspect

Satisfaction level Range of Z-values Category of satisfaction level IS Range of satisfaction index IS
Highly dissatisfied Z < − 2 Very low 20–34%
Dissatisfied − 2 ≤ Z ≤ − 1 Low 35–49%
Moderately satisfied − 1 < Z < 1 Average 50–64%
Satisfied 1 ≤ Z ≤ 2 High 65–79%
Highly satisfied Z ≥ 2 Very high 80–100%