Refusing to admit ignorance to the hypothesis and/or the conclusion, but insisting that your ignorance has to do with missing data that validate both the hypothesis and conclusion.
Examples:
- _Jeremy: Drinking Diet Cosie Cola will result in the reversal of male-pattern baldness.
Rick: This has never been established scientifically.
Jeremy: That is because it must be mixed with another ingredient.
Rick: Which is...?
Jeremy: They haven’t..._
Synonyms: missing information fallacy