What is the difference between a hypothesis and a theory?

by Matt Slick

A hypothesis is an attempt to explain phenomena.  It is a proposal, a guess used to understand and/or predict something.  A theory is the result of testing a hypothesis and developing an explanation that is assumed to be true about something.  A theory replaces the hypothesis after testing confirms the hypothesis, or the hypothesis is modified and tested again, until predictable results occur.

So, a person might make an observation and immediately form a hypothesis about why something happens the way it does.  He or she then tests the hypothesis, modifies it if necessary, and eventually develops a theory. The hypothesis might change significantly as testing occurs. A hypothesis can be right or wrong, but a theory is supposed to be true based upon the scientific method.  So, when a hypothesis has been verified to be true, it becomes a theory.

 

 

 

 
 
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