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4.3.5 Subjective Web-Based Personal Attenuation Rating

Fit Testing Evidence

Advantages:

  • No calibrated audiometer required

  • Self-administered (no trained operator needed)

  • Web-accessible — enables remote testing at scale

  • Lower cost than F-MIRE or audiometric systems

Limitations:

  • Ambient noise can affect results

Subjective Fit Testing


What it is:


A subjective fit testing method that does not rely on calibrated audiometric equipment.

Why it matters: This live feedback loop shows the worker exactly how their technique affects protection. It improves their practical skill, reinforces the importance of correct use, and supports long term behaviour change in line with implementation science principles. Fit testing therefore delivers both verification of protection and targeted training in a single structured process.

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