The phrase "a thorough and unbiased" is correct and usable in written English.
It can be used when describing an analysis, review, or assessment that is comprehensive and impartial.
Example: "The report provided a thorough and unbiased evaluation of the project's outcomes."
Alternatives: "a comprehensive and impartial" or "an in-depth and fair".
The legislature commissioned the $1.4 million study to provide a thorough and unbiased backdrop for debate over whether to lift the moratorium.
Alex Weintz, the governor's spokesman, said the current head of the state's investigation, Michael Thompson, the commissioner for public safety, is "more than capable of overseeing a thorough and unbiased review of Clayton's Lockett's execution".
David Chong, the police commissioner in Mount Vernon, which borders the Bronx in southern Westchester, said he was confident that the White Plains police and the district attorney's office would conduct "a thorough and unbiased investigation".
Chief Louis Alagno of the Mount Pleasant Police Department has said it, aided by the State Police, will conduct a thorough and unbiased investigation that will very likely be "long and difficult".
He later called for a "thorough and unbiased" investigation.
Gen. Campbell told reporters in November that the U.S. investigation, as well as a NATO and joint U.S.-Afghan assessment, would provide a "thorough and unbiased inquiry".
However, very few reviews focus on this theme in a systematic, thorough and unbiased manner, that is, none of them perform a systematic review of security requirements engineering, and there is not, therefore, a sufficiently good context in which to operate.
Clifford Pinkney, the county sheriff, said his office had conducted an "extensive, thorough and unbiased investigation" based on thousands of documents, multiple interviews and reconstructions of the incident.
Moreover, information regarding the different surgical options and their outcomes should be delivered to patients in a thorough, consistent and unbiased manner [ 18].
In a statement released to the news media, he said, "I commend Nascar on the thorough and unbiased job they did in this investigation and accept their findings".
The man chosen to conduct the inquiry, Sir Michael Peat, promised it would be thorough and unbiased although he is closely identified with the monarchy and made comments tonight that seemed to absolve members of the royal household.
