Which statement describes the criterion level in a noise source survey?

Which statement describes the criterion level in a noise source survey?

• A. True
• B. False
• C. Not always
• D. Typically the same across sources

Answer: (A)

In a noise source survey, the criterion level is the fixed threshold used to decide whether a source is significant. It is defined in advance and applied consistently, providing a clear decision rule: if a source’s level meets or exceeds the criterion, it passes the screening; if it doesn’t, it does not. That makes the statement describing the criterion level true—the concept is a defined reference point that guides evaluation. In practice, this threshold comes from standards or project requirements, and while some protocols use the same level across sources, the essential idea is its predefined, objective nature as a benchmark for assessment.

In a noise source survey, the criterion level is the fixed threshold used to decide whether a source is significant. It is defined in advance and applied consistently, providing a clear decision rule: if a source’s level meets or exceeds the criterion, it passes the screening; if it doesn’t, it does not. That makes the statement describing the criterion level true—the concept is a defined reference point that guides evaluation. In practice, this threshold comes from standards or project requirements, and while some protocols use the same level across sources, the essential idea is its predefined, objective nature as a benchmark for assessment.