The phrase "a great variability of" is correct and usable in written English.
It can be used when discussing the range or diversity of something, often in contexts like research, statistics, or observations.
Example: "The study revealed a great variability of responses among participants, indicating differing opinions on the subject."
Alternatives: "a wide range of" or "a significant diversity of".
In general, there was a great variability of the responses depending on the species and the studied variable.
A great variability of lifetime within and between groups was seen.
Results: The results indicate a great variability of exposure time settings used by the dentists for imaging the phantom.
There was a great variability of cytokine production between individual cats and at different time points in the same cat.
In this study, qRT-PCR, ELISA and immunoregulation results showed a great variability of the factor secretion by MSCs seeded in scaffolds with different structures.
The concepts of chloride penetration front and critical chloride content in reinforced concrete are not easily quantifiable and the disparity of results in the literature attests a great variability of the causes.
Patients with unilateral DDR or DDNR demonstrated a greater variability of anterior and posterior joint spaces, compared with patients with a bilaterally identical type of DD.
Follow-up of a subgroup of infants revealed fewer sucking bursts per minute, slower sucking frequency and a greater variability of the frequency and amplitudes in those infants who developed sequelae.
In contrast, a greater variability of microclimate was associated with the WM under the palm roof.
In contrast the TEG-R time shows a greater variability of their values and a more severe patient anticoagulation than reported by aPTT sampling.
There is increasing evidence, however, that social rhythms, defined by attendance at work, engagement in social activities or recreation, and exercise, may affect circadian regularity as a greater variability of social activities has been consistently related to sleep disturbance (Carney et al. 2006; Morgan 2003).
