The phrase "a separate study by the same" is not complete but can be correct and usable in written English if it is part of a larger sentence.
You can use it when referring to an additional study conducted by the same author or research team mentioned earlier in the text.
Example: "In addition to the previous findings, a separate study by the same researchers revealed different results."
Alternatives: "an additional study by the same" or "a distinct study conducted by the same".
Out of people with cancer and clinical depression, 24% were found to be taking antidepressants and 5% were seeing a health professional, a separate study by the same team published in the Lancet Psychiatry found.
Rowntree has started working with three local authorities to allow pensioners with property to borrow sums of between £5,000 and £30,000.Whatever plan is eventually chosen, a separate study by the same organisation suggests the government should hit people up for the money as soon as they retire.
A separate study by the same company-funded researchers found that doctors were prescribing the easy-on-the-tummy Cox-2s even to patients who might not need them.
A separate study by the same researchers found that bottoms were more interested in faces considered to be traditionally masculine, while tops showed more interest in traditionally feminine faces.
In a separate study by the same group discrepancies between parent and child reports of the CHQ behaviour and mental health scales were larger in the presence of OD D/CD[ 39].
We conducted a separate study by neutralizing the same SPORL-pretreatment hydrolysate used in the previous set of experiments using Ca(OH 2.
A separate study by Stefan Rahmstorf of the Potsdam Institute for Climate Impact Research near Berlin suggested otherwise.
The study's positive message is reinforced by the finding of a separate study led by the same Oxford team – the biggest to date in England on diversity and trust.
A separate study by Lynn found that white servers are tipped more than black servers for the same quality service and regardless of the race of the customer.
IMAGE BY FLICKR Useparate Bratcher UNDER CC BY 2.0 LICENstudyMAGE HAS byEN CROPPEDJX VentureSource
A separate study by DJX VentureSource has a slightly different figure for the period, estimating total first quarter investment at $10.7 billion.
