The phrase "an increase was perceived" is correct and usable in written English.
It can be used when discussing observations or interpretations of data, trends, or changes in a particular context.
Example: "After analyzing the sales figures, it was clear that an increase was perceived in the demand for our new product."
Alternatives: "an increase was noted" or "an increase was observed."
He further argued that a one-for-one correlation between increased income and increased spending would occur only when the income increase was perceived to reflect a permanent change in circumstances (e.g., a new, higher-paying job).
What our research sought to answer was how this increase was perceived by staff and whether it exceeded official labour norms.
And they are more likely to raise their spending when the wealth increase is perceived to be permanent rather than transitory.
In mid-1939, Orizaba was chartered to United States Lines as one of five ships added to increase what was perceived as a slow rate of return of US citizens fleeing war-torn Europe.
However, the same investigators also found that increased diarrhoea was perceived as more burdensome by CTC participants [ 56].
Half (8/15) of the nurses in the control areas were apprehensive that adding a new intervention was perceived to increase work load given small number of health workers at a facility.
However, the AISI 1080 steel (Fig. 3b) was observed to follow a different trend, with the steady decrease of shear stress with surface roughness till a low point was reached and a subsequent increase in shear stress was perceived.
"There's been increasing dissatisfaction at what was perceived as an anti-business, anti-bank message being transmitted from Washington," said a source at one top investment bank.
One woman who claimed to have been poisoned said her doctor told her that "it was all in my head". The Ritual Abuse Task Force of the Los Angeles County Commission for Women was formed in 1988 to deal with what was perceived as an increase in the number of people who claimed to have been abused in satanic rituals as children.
Timber product substitution was not considered feasible, and increasing reliance on imports was perceived as costly and creating an unwelcome dependence on overseas supplies.
