different between conclusively vs disconfirmation

English

conclusive +? -ly

conclusively (comparative more conclusively, superlative most conclusively)

In a conclusive manner; with finality.
Once the final experiment had been performed, the theory was conclusively proved.

dis- +? confirmation

disconfirmation (countable and uncountable, plural disconfirmations)

(chiefly philosophy, uncountable) Introduction of evidence which conclusively establishes that a belief or hypothesis is not true or which diminishes the acceptability of a belief or hypothesis.
- 1990, Donald P. Spence, "Theories of the Mind: Science or Literature?", Poetics Today, vol. 11, no. 2, p. 331:
  Once we move our search to the region of the mind, we find that access to the facts becomes much more difficult; as a result, disconfirmation is largely out of reach and metaphor begins to flourish.
(countable) A particular fact, observation, or other item of evidence which shows or tends to show that a belief or hypothesis is not true.
- 1981, Daniel M. Hausman, "John Stuart Mill's Philosophy of Economics", Philosophy of Science, vol. 48, no. 3, p. 366:
  One can reduce the disconfirmations of economic generalizations by specifying a margin of error.

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