The phrase "are less responsive than" is correct and usable in written English.
You can use it when comparing the responsiveness of two or more subjects, indicating that one is not as responsive as the other.
Example: "The new software updates are less responsive than the previous versions, leading to user frustration."
Alternatives: "are not as responsive as" or "show lower responsiveness compared to".
In this work, it is shown that identically designed FBAR and SMR devices resonating at the same frequency exhibit different responsivities to mass loadings, Rm, and that the SMRs are less responsive than the FBARs.
Thus, students in all other countries place less value on mathematics, a lower liking for mathematics and think their teachers are less responsive than Ghanaian students.
Nectar foragers, in contrast, are less responsive than pollen foragers, reacting only to high sucrose concentrations, thus being more selective for nectar rewards.
Previous studies have shown that lung tumour deposits are less responsive than the same cells implanted subcutaneously.
In a recent study, however, Bennett and Strauss (2013) have shown that alien species are less responsive than native species to landscape variability in soil communities.
For instance, some studies showed that girls are less responsive than boys to zinc therapy for a number of acute infections, not just diarrhea (89).
In addition PI is less responsive than AAQM in response to buffer emptiness.
Lawyers said they believed that Santander was offering the loan mainly to clients in Latin America, where investors have been less responsive than their Spanish counterparts to the original compensation offer.
Nevertheless, in animals showing regrowth, the small tumours were less responsive than the large tumours in both models.
The Charlson Index might be a poor predictor of quality-of-life outcomes in patients undergoing primary hip and knee replacement, and it has been found to be less responsive than other measures of comorbidities, possibly because it is more sensitive to life-threatening conditions than to functional outcomes [37, 38].
Thus, this trait was less responsive than parental visitation rates to predation risk.
