The phrase "a misguided notion of" is correct and usable in written English.
It can be used to describe a misunderstanding or incorrect belief about a particular concept or idea.
Example: "Many people have a misguided notion of what success truly means, often equating it solely with wealth and status."
Alternatives: "a flawed understanding of" or "an incorrect perception of".
He had carried it around for only a week, he said, out of a misguided notion of self-defense in a rough-and-tumble neighborhood.
He says investigative journalism in the US is being killed by the crisis of confidence, lack of resources and a misguided notion of what the job entails.
And yet, as the country heads towards a post-election crisis, western diplomats seem ready to see the voters' verdict sacrificed for a misguided notion of stability.
He had been deeply struck, he liked to explain, by the damage wreaked upon mathematics in France by the first world war, when "a misguided notion of equality in the face of sacrifice" led to the slaughter of the country's young scientific elite.
Ordinary pay systems are based on a misguided notion of fairness, and so have a relatively small difference between the highest- and lowest-paid employees.
Shubhra Gupta, film critic and columnist for the Indian Express newspaper, says: "Post-independence, the kiss vanished into a miasma of prudery and false modesty and a misguided notion of what was Indian culture and tradition and not".
Many would-be writers who ask the question are seeking absolution and endorsement; a misguided notion on two counts.
This simplistic turn of phrase, born of a misguided notion, gets used regularly.
In both books, the general populace has only a vague, misguided notion of the magical beasts rampaging through the countryside.
I think it's actually something else: a belief that a particular field isn't important unless it has a journal of its own - a misguided notion that, carried to the extreme (which is the only way things seem to get carried these days), leads to a journal for every sub-field, and sub-sub-field, and so on.
Although he no longer contends that the tax is unconstitutional — a misguided notion, he says, that led to his misguided actions of 19 years ago — he does believe the tax is grossly misapplied.
