When a theory or idea is challenged, it means that doubts or criticisms are raised about its validity or accuracy. It involves questioning the assumptions, evidence, or conclusions of the theory.
Related terms
Counterargument: An opposing argument made to challenge or refute a particular claim.
Rebuttal: A response that seeks to disprove or counter an opposing argument.
Alternative hypothesis: Another possible explanation or theory that could explain the same phenomena but differs from the one being challenged.