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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%