It is a practical, philosophical, scientific and epistemological way of the branch of philosophy whose object of study is knowledge, where pseudoscience is studied, it refers to a statement, belief or practice, in general, the speed of the statements that lack sufficient empirical evidence. In practice, the examination of statements and knowledge that go against the fact of thinking or ordering logical ideas of the scientific method is usually placed.
The scientific skepticism is based on the power or ability to think critically and opposes the claims that have no concrete evidence verifiable and proven, like any normal scientific and power within the scientific community.
A skeptical scientist evaluates any expression that is based on verifiability, falsifiability, and productivity rather than accepting claims or theories based on faith, anecdotes, true sources, relying on facts or claims.
The skeptics their focus "criticism", which are research method advocated by initiating scientific inquiry with the analysis of the possibilities, sources and limits of knowledge that are considered unlikely that no semblance of truth or doubt faced with the knowledge commonly accepted science.
This is what differentiates the professional skeptical scientist, who finds his activities primarily in verifying or disproving hypotheses created in a particular field of science.
In this area they do not state that uncommon or strange statements or knowledge should be rejected, but this is because they maintain that any appearance or manifestation of strange or paranormal statements should be able to be critically and objectively examined.