The phrase "allegedly improved" is correct and usable in written English.
It can be used when discussing something that is claimed to have been enhanced or made better, but without definitive proof of that improvement.
Example: "The product has allegedly improved its performance after the latest update."
Alternatives: "reportedly enhanced" or "supposedly upgraded".
Consumers worried about supposed new tumors while others celebrated their allegedly improved cardiac health by stopping medications (5).
They interpreted this exhibition game against the Cincinnati Bengals, a 17-6 defeat, less as an unleashing than an unveiling, an occasion for the Jets to audition all that is new (and allegedly improved) about them this season — their offensive system, their touted draft picks and, yes, a certain well-known backup quarterback.
If the supercommittee wasn't able to reach a deal in three months, why would we think that this new, allegedly improved committee can come up with a deal in less than two months?
An integral part of this economy is measurement, since digital media allows us to quantify attention via clicks, likes, views and tags, allegedly improving our ability to understand and influence consumers.
This should allegedly improve your sleep.
Pioneer has outfitted it with something called Pure Read Technology, which allegedly improves the data burn quality.
Although the QC 30 doesn't have the aptX codec, which allegedly improves sound with compatible devices (Samsung phones for example), it sounds just as good or better than most headphones that do have these codecs.
In support of the effectiveness of the Bates method, proponents point to the many accounts of people allegedly having improved their eyesight by applying it.
Nicholson explained that competition, the key tool, allegedly, for improving quality, increasing productivity, driving down costs and widening choice for patients, is itself proving an expensive impediment to change as lawyers battle over the details of competition law and procurement on a "scale and nature" never anticipated.
(14) 2 p.m.: Video cameras and motion detectors in local supermarket track physical movements of customers (allegedly to aim for improved customer service) as customer drops in to pick up some fruit for lunch.
Calling for others to join them, the "Occupy WEF" group states the goals of constructing the igloo village on its Web site: Every year, self-proclaimed «global leaders» allegedly committed to improving the state of the world meet up for the World Economic Forum WEFF) in the Swiss mountains to propagate their own businesses and network amongst the so-called global economic elite.
