The part of sentence "question the rationality" is correct and usable in written English.
You can use it when you are expressing doubt or disbelief in the soundness of a decision or plan. For example, "We have to question the rationality of this plan, as it doesn't seem to be financially feasible."
And it calls into question the rationality of his giving nine F's in a class of 15 students.
Natalie Angier's review of Sam Harris's book, "The End of Faith: Religion, Terror, and the Future of Reason" (Sept . 5, calls into question the rationality of her own peculiar brand of atheism in at least two ways.
I would question the rationality of anyone who thought that there is probably no Father Christmas, or probably no fairies at the bottom of the garden, etcetera, and since such beliefs and beliefs in the gods of Olympus and Ararat and all other religions are on a par, there is no "probably" about it.
Yet, when a certain amount of cold-hard cash is put on the table and rejected, the crowd reaches its reserve price and calls into question the rationality of such a decision.
One might question the rationality of this position, given the fact that between 1994 and 2009 the U.S. oil and gas industries received a cumulative $446.96 billion in subsidies, compared to just $5.93 billion given to renewables in those years.
Such vote switching led a writer for The Japan Times to question the rationality of the country's politics over the passage of the bill.
PermReps questioned the rationality of Pakistan's support for the Taliban, which Lavoy explained in three ways.
These people have questioned the rationality of preemptive duties or reasons for action.
Notably, some philosophers have even questioned the rationality of abductive inferences (Koehler 1991; Brem and Rips 2000).
Whereas modern skepticism questions the possibility of knowledge, Pyrrhonian skepticism questions the rationality of belief: the Pyrrhonian skeptic has the skill of finding for every argument an equal and opposing argument, a skill whose employment will bring about suspension of judgment on any issue which is considered by the skeptic, and ultimately, tranquillity.
We separated the question of the rationality of suicide from the ethics of suicide or the morality of suicide.
