The phrase "ability to determine when" is correct and usable in written English.
It can be used in contexts where one is discussing the capacity to recognize or identify specific moments or conditions.
Example: "Her ability to determine when to intervene in a conversation is impressive and shows her emotional intelligence."
Alternatives: "capacity to recognize when" or "skill in identifying when".
That type of device will give remediators the ability to determine when a treatment has been adequately completed, currently a problematic determination to make.
On the other hand, the wink also brings up all kinds of interesting use-cases, such as the ability to determine when someone is having a seizure, for instance.
Reformed responses to this questions are defined by an instructors ability to determine when students have shown the application of knowledge outside of class or in a novel setting (Luft and Roehrig, 2007).
We have no ability to determine when ART was initiated, or disaggregate our analysis by time on ART.
To adopt the most appropriate strategy, parasites need the ability to determine when continued survival is impossible (e.g. due to terminally decreasing parasite density or inevitable host death).
Participants highly appreciated the convenience of the system the ability to determine when and where to access the training and the pace of completing the course.
To determine when dual targeting of NDC1 arose we analysed the targeting ability of rice (OsNDC1) and Physcomitrella (PpNDC1).
In addition, Alan Westin describes privacy as the ability to determine for ourselves when, how, and to what extent information about us is communicated to others (Westin, 1967).
Reproductive freedom is about the ability to determine for yourself when and if you have children; the anti-choice movement is about the exact opposite.
Besides variability in reported POPA rates, another concern has been the ability to determine, with precision, when pulmonary aspiration has or has not occurred.
