Tests have proved conclusively vs Tests have proved conclusively that

Both phrases are correct, but they are used in slightly different contexts. The phrase 'tests have proved conclusively' can stand alone as a complete sentence, while 'tests have proved conclusively that' is followed by additional information or a clause. The choice between the two depends on whether you want a standalone statement or if you need to introduce further details.

Last updated: March 20, 2024 • 585 views

Tests have proved conclusively

This phrase is correct and can be used as a standalone statement.

This phrase is suitable when you want to make a clear and concise statement about the conclusive results of tests.

Examples:

Tests have proved conclusively that the new drug is effective.
Tests have proved conclusively the theory proposed by the scientist.
Tests have proved conclusively the existence of a new species.

Show examples from the web [+]

... for use in the veterinary profession and independent tests have proved conclusively that in spite of its luxurious feel it has tremendous strength and durability.
Feb 21, 2014 ... ... they brought home from Nigeria in 2012 is not their own - although DNA tests have proved conclusively that they are not the natural parents.
In fact, tests have proved conclusively that it is printed on the correct paper and with the correct chemicals which were being used in Japan at the date given.
become more and more evident. Tests have proved conclusively that pupils who hove the advantage of junior high typing become higher achievers in language.

Alternatives:

Tests have conclusively proved
Tests have definitively proved
Tests have irrefutably proved
Tests have unequivocally proved
Tests have decisively proved

Tests have proved conclusively that

This phrase is correct and is used when introducing additional information or a clause after stating that tests have proved something conclusively.

This phrase is appropriate when you want to provide more details or specify what has been proved conclusively by the tests.

Examples:

Tests have proved conclusively that the new drug is effective in treating the disease.
Tests have proved conclusively that the theory is valid.
Tests have proved conclusively that the results are accurate.

Show examples from the web [+]

Feb 21, 2014 ... ... they brought home from Nigeria in 2012 is not their own - although DNA tests have proved conclusively that they are not the natural parents.
... for use in the veterinary profession and independent tests have proved conclusively that in spite of its luxurious feel it has tremendous strength and durability.
In fact, tests have proved conclusively that it is printed on the correct paper and with the correct chemicals which were being used in Japan at the date given.
become more and more evident. Tests have proved conclusively that pupils who hove the advantage of junior high typing become higher achievers in language.

Alternatives:

Tests have conclusively proved that
Tests have definitively proved that
Tests have irrefutably proved that
Tests have unequivocally proved that
Tests have decisively proved that

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Tests have proved conclusively vs Tests have proved conclusively that