An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess human intelligence. The abbreviation IQ was coined by the psychologist William Sterne for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in a 1912 book.
Answer: Ronald Reagan became the oldest president when he was elected in 1980 at the age of 69.
1 In 1984 President Ronald Reagan became the oldest US presidential candidate, when he successfully ran for re-election. 2  He turned 73 that February. 3  In 1996 Senator Bob Dole became the oldest US presidential candidate to run for a first term. 4  He turned 73 that July.