Operational definitions are at their most controversial in the field of psychology where intuitive concepts, such as intelligence need to be operationally defined before they become amenable to scientific investigation, for example, through processes such as IQ tests.
Ven (sign: VEN) is a global digital currency traded in international financial markets and originally used by members of a social network service, Hub Culture, to buy, share, and trade knowledge, goods, and services.
The name Brenn is of Celtic origin. The meaning of Brenn is descendant of braonan, tear drop, sword blade. It is also of English origin, where its meaning is sword blade. Brenn is generally used as a girl's name. It consists of 5 letters and 1 syllable and is pronounced Brenn.