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.
Ryann [ryann] as a name for girls is of Irish origin. Ryann is an alternate spelling of Riane (Irish): feminine of Ryan. Associated with: irish. Ryannâ² has 10 variants: Rhiane, Rian, Riann, Rianne, Riayn, Ryane, Ryanne, Ryen, Ryenne and Rynn.