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.
Freebase (0.00 / 0 votes) Rate this definition: Dalen. Dalen is an old village and a former municipality in the northeastern Netherlands, in the province of Drenthe. Since 1998, Dalen has been part of the municipality of Coevorden. There are many shops and restaurants, bakeries and a pub called the D'aolle Bakkerij.