* Formal: The study's findings were supported by empirical evidence collected through rigorous experiments.
* Informal: The claim that chocolate improves memory is not supported by empirical evidence.
* Specific: Empirical evidence from numerous studies suggests that regular exercise can reduce the risk of heart disease.
* Contrasting: While anecdotal reports abound, there is little empirical evidence to support the existence of ghosts.
Remember: "Empirical evidence" refers to data or information gathered through observation, experimentation, or measurement. It is objective and verifiable, making it a strong foundation for scientific claims.