Can Minh Thi Phan's commit ability be used once per investigator per round, even when that investigator commits to someone else's test?

Question

Accepted Answer

Yes. Each investigator at her location may use the ability once per round, when that investigator commits a card, regardless of whose skill test it is.

Arkham Horror: The Card Game (Revised Core Set)

Can Minh Thi Phan's commit ability be used once per investigator per round, even when that investigator commits to someone else's test?