close study

Some might argue that close study is stymied by sensitive feelings and the need to respect, sort of, the groups studied.

It's a close study of a population of more than 50 million people.

I never enjoyed myself more—after such close study, and all the rest of it, I suppose.

THE method of dramatic representation in the time of Shakespeare has long received close study.

A close study of this mad dressing shows that there is always a "hump."

Such men are lucky because they make a close study of the ways of the birds of each separate character of country.

He spent some following hours in a close study of the castle history, which till now had unutterably bored him.