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.
English Meaning: The name Leann is an English baby name. In English the meaning of the name Leann is: Derived from an Irish Gaelic of Helen: (light;beautiful woman);. American Meaning: The name Leann is an American baby name.