Questioning claims and subjecting them to empirical testing is the component of the scientific attitude called

The scientific attitude has three main components, for the purpose of learning, testing, checking, so that only then you can believe in claim. These three components are skepticism, curiosity and humility, while key elements are questions, hypotheses, experiments, observations, analyses, and conclusions.

Questioning claims and subjecting them to empirical testing is the component of the scientific method called skepticism.