The phrase 'the degree of effectiveness' is correct and usable in written English.
It is typically used to refer to the degree to which something is successful in achieving its desired outcome. For example, "The degree of effectiveness of the new policy was hard to measure".
The degree of effectiveness is very high.
They evaluated that the degree of effectiveness of E-science and Informatics efforts varied widely across the CAWSES-II activities, but generally was limited.
Power consumption versus the degree of effectiveness of the calculation inside the FPGA is a figure of merit to be minimized.
In the report, the scrutiny panel questions whether the planned changes can be delivered at a "cost that is affordable and with the degree of effectiveness islanders are right to expect".
The degree of effectiveness of eScience and Informatics efforts varied widely across the CAWSES II activities, covering mostly conventional means of collaboration, and certainly utilized the 'predictable' modes previously discussed (email, in person, and some teleconferencing).
To say, therefore, that security pertains to the degree of effectiveness of the rule of law means to observe only one of the vehicles by which it is pursued.
They also presented the degrees of effectiveness of many antihistamine agents in the last several decades.
For example, a recent report published by the WHO [ 45] on interventions on diet and physical activity summarized all effectiveness evidence for different interventions, assessed the quality of the studies included and stated the degree of the effectiveness of interventions.
The secondary objectives of this study included an assessment of the degree of sleep effectiveness and supplementation and their determinants.
[ 3] The secondary outcome parameters for this study included the degree of sleep effectiveness and sleep supplementation (and their determinants) as measured by the VSH Sleep Scale.
Instead, our benchmarks focused on which methods prioritized the loci with the greatest degree of effectiveness over a large panel of data.
