"relative extent" is a correct and usable phrase in written English.
You can use it when you want to specify the magnitude or size of something in comparison to something else. For example: "The relative extent of the damage will determine the cost of repairs."
This approach generates information on the relative extent and degradation of different habitat types in a region.
The character and relative extent of the two phases vary greatly among different groups of plants and algae.
These soils are distributed along slopes in the same order with only variations in their relative extent.
The relative extent to which the various bonds are formed and broken in the transition state varies considerably with the substrate.
In order to model dispersive transport, a new term, the advection dispersion ratio is employed, which is defined as the relative extent of advection to dispersion along streamlines.
To delineate the relative extent to which specific cognitive factors are related to levels of pain and disability in patients with chronic whiplash-associated disorder.
However, the relative extent of nutrient attenuation differed between the CW types; the mean total nitrogen (TN) attenuation in the hybrid and SF CW was 45 and 48%, respectively.
These results elucidate the most likely behavioral strategies caribou use to select their winter habitat, the relative extent to which they perceive industry features as potential predation, and the differential energetic costs associated with each strategy.
We identify some advantages and disadvantages of each approach, and note the difficulties in actually quantifying the absolute and/or relative extent of the true influence of the built environment on travel behavior.
The results for a sample rectangular block under tension using representative material creep and oxidation properties are used to predict and compare the relative extent of creep to environmental damage under different loading conditions.
In other words, on its own, neither the degree of one's preserved low-level multisensory processing nor the relative extent to which one's vision becomes impaired compared to the level of their hearing skills can on its own determine whether someone's cognitive functioning can be categorised as characteristic of MCI versus HO.
