Niccolò Machiavelli became a term describing someone or something that is "marked by cunning, duplicity, or bad faith". "Machiavellianism" also remains a popular term used in speeches and journalism; while in psychology, it denotes a personality type. While Machiavellianism is notable in the works of Machiavelli, Machiavelli's works are complex and he is generally agreed to have been more than just "Machiavellian" himself. For example, J.G.A. saw him as a major source of the republicanism that spread throughout England and North America in the 17th and 18th centuries and Leo , whose view of Machiavelli is quite different in many ways, agreed
Machiavellianism measuring a person's level of Machiavellianism (sometimes referred to as the "Machiavelli test"). Their "Mach - IV" test, a twenty-statement personality survey, became the standard self-assessment tool of Machiavellianism. People scoring high on the scale ("high Machs") tend to endorse statements such as, "Never tell anyone the real reason you did something unless it is useful to do so," (No. 1) but not ones like, "Most people are basically good and kind" (No. 4), "There is no excuse for lying to someone else," (No. 7) or "Most people who get ahead in the world lead clean, moral lives" (No. 11).