This is the actual study:<p><a href="https://www.sciencedirect.com/science/article/pii/S107158192400137X" rel="nofollow">https://www.sciencedirect.com/science/article/pii/S107158192...</a>
"Researchers say that a person’s intelligence plays a bigger role in their computer proficiency than previously believed, so much so that practice alone may not be enough to ensure ease of use."