The phrase "asserted a high level of" is correct and usable in written English.
You can use it when discussing someone's claim or statement regarding the degree or intensity of something, often in a formal or academic context.
Example: "The researcher asserted a high level of confidence in the results of the study, emphasizing the robustness of the data collected."
Alternatives: "claimed a significant degree of" or "stated a strong level of".
"We may be at another in a series of rebirths of the South, asserting a higher level of cultural aspiration after having achieved a higher level of economic success," said Michael Shapiro, director of the High.
Participants were also asked to rate their perceived risk of contracting CRC and the mean score was 5.1, indicating low level of risk perception, with only 9.7% asserted a high degree of concern by answering "10".
Given that one of sixteen pups would be expected with the compound null genotype the lethality of this genotype can be asserted with a high level of confidence (from a binomial analysis p = (15/16) = 0.000022).
The self-perception of the participants' knowledge had no influence on the score, since there was essentially no statistical difference between the radiographers who asserted that they had a high level of knowledge and those who replied that their level of knowledge was insufficient.
Participants were also asked to rate their perceived risk of developing CVDs and the mean score was 6 indicating a low level of risk perception, with only 9.9% asserting a high degree of concern by answering "10".
In conclusion, based on the results obtained by observing medication use among asthmatic patients in the Milano 2 ASL, we can assert that there is a high level of inappropriate drug expenditure.
But private sector competitors and taxpayer groups assert that the cities and their residents face a high level of financial risk for a network that may far exceed their needs.
They share an ambition to master a set of difficult tools, to execute work at a high level of technical accomplishment, and to assert and live up to a rigorous set of formal demands.
The fact that half of the women in this study displayed a high level of social participation while highly symptomatic asserts the protective role of resilience against avoidance symptoms.
Some of them have asserted that Litecoin is a "Bitcoin hedge," as the latter currency's network is dealing with a high level of unconfirmed transactions.
