What risk is associated with Glassdoor's reliance on user-submitted data?

Answer

The median figure might appear inflated if only highly-paid executives submit data

Since Glassdoor relies heavily on community submissions, if the data volume is skewed by highly compensated employees reporting figures, the resulting median can incorrectly appear inflated for an average applicant.

What risk is associated with Glassdoor's reliance on user-submitted data?
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