A skeptical attitude in science means a new idea will only be accepted if it is backed by evidence.
A skeptical attitude is based on critical thinking and opposes claims that lack verifiable evidence.
Skepticism is part of the scientific method and it questions ideas based on scientific knowledge.
For example, an experimental result cannot be considered as proven until it shows a certain repeatability.
In other words, scientific skepticism consists of doubting when the evidence is unsatisfactory since when something is probable or reasonable, it does not necessarily have to be true.
Therefore, we can conclude that a skeptical attitude in science means the questioning of claims / ideas that lack sufficient evidence.
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