In a public address about community safety, a police chief states, "I have served this city for thirty years, protecting your families and upholding justice. You can trust my expertise when I say we need increased patrols." Which persuasive technique is the chief primarily using?
✓ Correct Answer: Option C
The chief emphasizes his 'thirty years' of service and experience, attempting to establish his credibility and trustworthiness (ethos) with the audience to support his proposal for increased patrols.