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.
VN: My self-assurance and self-worth. I trained and worked really hard all my life in dance classes. I always fell into the shadows of my mother, and it was hard for me to really realize that I had done the work. Yes, she took me to the best teachers, but I did the work.