This is wrong.
Skepticism is a provisional approach to claims.
In other words, skepticism is a method , not a position . Ideally, skeptics do not go into an investigation closed to the possibilities that a phenomenon might be real or that a claim might be true. His work on knowledge, logic and scientific inquiry played a major role in the transition from medieval to modern thought. He based scientific knowledge on experience and self-evident truths, and on logical propositions resulting from those two sources. In his writings, Occam stressed the Aristotelian principle that entities must not be multiplied beyond what is necessary.