There's a Carragher-esque studiousness, too, about his observations on other players.
From the independent.co.uk
In other words, studiousness is stigmatised among black schoolchildren.
From the economist.com
His studiousness and scholastic achievement were his defining attributes.
From the time.com
Yet the studiousness he brings to the genre sets his book apart.
From the economist.com
Like the first it was brimful of application and studiousness.
From the independent.co.uk
Given their obsessive studiousness, today's achievement-oriented teenagers tend to be well informed about many subjects.
From the theatlantic.com
Li Tai, who carried the title of Prince of Wei, was favored by his father, Emperor Taizong, for his literary talent and studiousness.
From the en.wikipedia.org
As the days wore on, the tone of the questioning made it clear that the affair was becoming less friendly every minute, with no noticeable increase in studiousness.
From the time.com
There she displayed the studiousness and intelligence which had made her noteworthy at her previous schools, and was remembered by former pupils as virtuous, reserved, and deeply religious.
From the en.wikipedia.org
More examples
Diligent study
(studiously) in a studious manner; "she examined the data studiously"