Definition of Theory

a conclusion based on conducted experiments or studies

Examples of Theory in a sentence

Many people disagree about the Big Bang Theory creating the universe due to the lack of evidence.  🔊

Her theory that a personality is based on genetics has been criticized when several cases have gone against her findings.  🔊

After the trials were conducted, a theory was established to prove that people who hold grudges will become less happy.  🔊

A hypothesis is the first step in an idea becoming a theory because an educated guess must be established.  🔊

Once the theory was confirmed by the scientific community, it was accepted as a true reason for people’s behavior.  🔊

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