The phrase "attributed high levels" is correct and usable in written English.
It can be used when discussing the assignment of significant amounts or degrees of a particular quality or characteristic to someone or something.
Example: "The researchers attributed high levels of stress to the increased workload during the final exam period."
Alternatives: "assigned significant levels" or "ascribed elevated levels".
Several have attributed high levels of morbidity and mortality to VRE [ 2- 7].
Additionally, beliefs that attributed high levels of patient controllability over symptoms and illness events were associated with higher levels of significant other encouragement to rest (Brooks, Daglish, et al., 2013).
Some researchers have attributed high levels of green genes in CASH lineages to putative cryptic endosymbiotic gene transfer (EGT) events (e.g., [ 69, 70, 72]), while others have invoked poor taxon sampling, a lack of manual curation, and phylogenetic error to explain these findings [ 71, 73, 74].
The countries which scored below the total mean with regard to both questions and to which, therefore, we attributed higher levels of risk awareness are: Estonia, Finland, Germany, Greece, Hungary, Slovenia, Spain and Sweden.
This is much lower than in previous reports [ 16, 17] and may constitute reason to pause before attributing high levels of credence to the validity of all of the cues in influencing overall QL.
As previously described (Figure 1), systematic characters typically consist of a short character header (e.g., maxilla shape) denoting the relevant structure(s) (entity: maxilla) and attribute (high-level quality: shape) that varies among taxa, followed by several character states that specify the value of the quality (round, rectangular, triangular, etc).
About one in three (35 percent) respondents attributed high unemployment levels to the actions of Wall Street, compared with 45 percent in 2010.
Higher baseline of invasion in Thy-1+ MEFs might be attributed higher basal levels of MMP-2 at the mRNA and protein levels (Figure 1 and data not shown).
Its reputation was pushed into further disrepute in 2010 when a spate of suicides in the Indian state of Andhra Pradesh was attributed to high levels of indebtedness and the aggressiveness of debt-collectors.
The plant's aphrodisiac qualities have been attributed to high levels of the mineral boron, which is thought to play a key role in the production of human sex hormones.
"We know condoms can protect against many sexually transmitted infections including chlamydia, gonorrhoea and syphilis," said Christine Carson, programme director of the centre for guidelines at Nice. "The recent increase in rates of gonorrhoea and syphilis among men who have sex with men has been attributed to high levels of sex without using a condom.
