The phrase "also dubious that" is correct and usable in written English.
It can be used when expressing skepticism or uncertainty about a particular statement or claim.
Example: "While I appreciate the evidence presented, I am also dubious that it fully supports the conclusion drawn."
Alternatives: "also skeptical that" or "also uncertain that".
Yet he is also dubious that this next endeavor, whatever the financial outcome, will satisfy a deep itch.
One of the most thoughtful value investors we know is also dubious that this "new world" of board activism is all it's cracked up to be.
It is also dubious that consistency requires one to have a set of preferences as rich as Ramsey requires, or that one can find ethically neutral propositions of probability 1/2.
Based on past work, they're also dubious that sources of methane such as landfills and leaky pipelines will be equipped to capture the gas before it escapes into the atmosphere.
I'm also dubious that the Harvard conference will present a balanced point of view.
Other medical doctors involved with Calerie told me they were also dubious, believing that a low-calorie regimen requires too much in the way of individual effort and too much in the way of medical resources and counseling to make it practical for many Americans.
But I was also dubious about claims that the city is the epitome of the "Colombian miracle" – shorthand for the quelling of violence of the left-wing Farc and paramilitary forces.
Senator Tom Coburn, a conservative Republican from Oklahoma, has had the good sense to demand an end to the $5 billion annual tax credit to makers of corn ethanol, a wasteful subsidy to farm states that is also dubious environmental policy.
But Mr Hines notes that the add-ons are not compulsory.Mr Kraft is also dubious about the idea that smaller, shorter games can be developed more cheaply.
Model was also dubious about attacking, pointing out that Konstantin Rokossovsky's Central Front was strongly dug in and outnumbered him two to one in men, tanks and artillery.
Kirn grew up in a small Minnesota town where the 60's had trickled down in the form of drug busts and divorces, so he was also dubious about his teacher's claim that Holden's teenage alienation possessed some larger social value.
