การใช้อุบายหลอกลวง

Also known as con., confidence game., confidence scheme., stratagem., con game., con trick., grift., ripoff.

thumb|upright=1.35|Political cartoon by Joseph Morewood Staniforth| Staniforth: [[Herbert Kitchener attempts to raise £100,000 for a college in Sudan by calling on the name of Gordon]] A scam, or a confidence trick, is an attempt to defraud a person or group after first gaining their trust. Confidence tricks exploit victims using a combination of the victim's credulity, naivety, compassion, vanity, confidence, irresponsibility, and greed. Researchers have defined confidence tricks as "a distinctive species of fraudulent conduct ... intending to further voluntary exchanges that are not mutually