Preparedness Hypothesis

The preparedness hypothesis is the belief that humans have a tendency, based on natural selection, to fear things that were a source of danger to our ancestors. This tendency also causes us to react before giving very much thought of it.

For instance, if cleaning a shed or working in the yard you encounter a spider or a snake the first reaction is back off. Likewise, if you are out hiking and spot a bear, lion, or wolf the first reaction is to get away quickly. These automatic reactions are believed to have developed over centuries or millennia as a means of ensuring safety.

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