Medical research data should include pure statistics (numbers) and observations. So there should be pages after pages of data for the research. Your sentence means the huge amount of data is looked over and check carefully without omitting any details (line by line).
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AnonymousThis medical research data was checked thoroughly line by line.This medical research data were checked thoroughly line by line.
vsraoHere, data is plural.It's almost never plural in modern American English. The older singular datum, from Latin, has all but dropped out of the language, and data, the Latin plural, has taken over as a singular within the last 50 years or so. There is no datas, however.
Hi,
In addition, if you decide that you really want to use a plural verb, you also need to say 'these data' instead of 'this data'.
eg this site that relates to the US Census Bureau.
Cliveyou also need to say 'these data' instead of 'this data'.Thanks for the correction.
AnonymousThese medical reasearch data were checked thoroughly line by line.My suggestion is: