'scrupulous study' is correct and usable in written English.
You can use it whenever you want to express the idea of painstaking or careful examination of a particular topic. For example: "He conducted a scrupulous study of the available evidence before making his decision."
More facts: The most scrupulous study I've seen of the economic impact of illegal immigration — by Gordon Hanson, an economist at the University of California, San Diego — weighed the costs to society (schools, health care, etc).
The reward held out for scrupulous study and fulfillment was the promise of messianic deliverance i.e., the divine restoration of all those institutions that had become central in Jewish notions of national independence, including the Davidic monarchy, Temple service, and the ingathering of Diaspora Jewry.
After a scrupulous study of burial records, residency registers and even the melting points of the limestone used for the city's pre-war buildings, an historical commission concluded in 2010 that at most 25,000 had been killed in the bombing, but that more likely 20,000 had died.
"The calls for a boycott will require scrupulous study, to see whether or not they comply with the law," Kremlin spokesman Dmitry Peskov told reporters on a conference call.
Not too many people understand that democracy is dull, scrupulous work..
The measurement of the different parameters of this geometry is a long and scrupulous work.
His first book was on Spinoza, and he subsequently devoted scrupulous, often maverick, studies to major figures of political philosophy from Plato and Maimonides to Machiavelli, Hobbes and the framers of the American Constitution.
So as to minimize the potential bias, we designed a rigorous protocol before conducting our meta-analysis, and performed a scrupulous search for published studies using explicit methods for study selection, data extraction, statistical analysis, adoption of the most appropriate genetic model with extreme caution and sensitivity analysis.
Of his teaching, only one saying is preserved in the Talmud; it enjoins the duties of study and scrupulous observance of religious ordinances.
We acknowledge referees and editors from three other journals for their scrupulous scrutiny of this study showing that carotenoids can be sensitive to free radicals in a bird species.
Brinkley, the director of the Eisenhower Center for American Studies at the University of New Orleans, ably synthesizes previous studies (with scrupulous accreditation) while adding, he assures us, new information from company archives.
