The phrase "a broader study of" is correct and usable in written English.
It can be used when discussing research or analysis that encompasses a wider range of topics or variables than a more focused study.
Example: "The researchers conducted a broader study of the effects of climate change on various ecosystems."
Alternatives: "a more extensive examination of" or "a wider analysis of".
The scientific panel is conducting a broader study of how best to restore Maine's native stocks of the salmon.
He has also been working for three years on a broader study of references to fungi in Western literature.
Britain has started to look into such cases as part of a broader study of the news media.
Attorney General Janet Reno said she was "troubled" by the apparent racial and geographic divide and called for a broader study of the "bias" issue by outside experts.
It is part of a broader study of kindergartners through second graders using a range of devices and computers.
Financed by two federal health agencies as part of a broader study of stroke and health, the new research followed non-Hispanic blacks and whites age 45 and older for about four years.
As part of a broader study on the effect of aluminum substitution C-S-H, the synthesis and characterization of tobermorite with and without aluminum were conducted.
Congress, however, has blocked their implementation until the completion of a broad study of the military financial marketplace by the Government Accountability Office.
Rather, his clothes reflect a broad study of costume and, in particular, of the ways adornment and embellishment have been used over centuries.
The Air Force began a broad study of the environmental impact of low-level flights in 1988, but abandoned it and never made the results public, Mr. Galvin said.
But in the future some of the country's homegrown institutions are likely to face continuing financial strains and even sudden death, according to a broad study of 30-year trends in the performing arts.
