You believe a hypothesis because it has personal meaning/significance to you.
A 'reflex' like tendency to reject opposing ideas to what you believe.
Avoiding negative information that can cause discomfort.
Public and press likes narratives. More widely accepted a narrative is, the more it shapes the perception of facts.
Continue to believe wrong information even after learning that it's wrong.
Lumping a decision to a related but not necessarily causing result.
People justify a past decision by subconsciously giving it positive attributes.
Not notice/quickly forget things that cause us emotional discomfort and contradict our prior beliefs.
Experimenters interpreting results incorrectly because they have a pre-existing hypothesis.
People over-rely on their initial hypothesis.