The phrase "ascertain change" is correct and usable in written English.
It can be used when discussing the process of determining or finding out about a change in a situation, condition, or data.
Example: "The team was tasked to ascertain change in the project's timeline after the recent developments."
Alternatives: "determine change" or "identify change".
Test materials may be exposed by robot control to nuclear fuels in a remote chamber, then tested by conventional methods to ascertain changes in their properties as a function of exposure time.
Matched pairs analyses were conducted to ascertain changes in measures of functional status.
The spatial-dependent lattice spacing and microstructure of an α-iron plate with two notches was measured during tensile tests using a pulsed neutron transmission method to ascertain changes depending on the load.
To attain this objective, a within-subjects longitudinal research design with eight data gathering waves was adopted as the primary methodology to ascertain changes in the participant's level of math anxiety across two sessions that took place on separate days.
Telephone follow-up is ongoing to ascertain changes in health, function and vital status.
Western blotting using phospho-specific antibodies was performed to ascertain changes in invasive signalling in response to the two anti-oestrogens versus both oestradiol treatment and withdrawal.
To ascertain changes in ECG parameters while on ADHD medication, it is important to have an understanding of the ECG values while off medication across the age range.
Paired t-tests were used to ascertain changes in perceived quality scores within the subgroup of women who did not change the type of facility from antenatal visit to actual delivery.
Gels were cultured for 7 days, at which point, they were used either for mechanical testing to ascertain changes in material properties, or fixed for histology to evaluate structural changes.
