Any of various physical characteristics that differ between the sexes but do not have a direct reproductive function, appearing in humans at puberty and in other animals at sexual maturity or during the mating season. Also called secondary sexual characteristic.
Psychology Definition of AVERSION: n. refers to a physiological or emotional response to a stimulus that indicates that the an object, organism, or situation, should be avoided. It is usuall Sign in
Loss aversion. In economics and decision theory, loss aversion refers to people's tendency to strongly prefer avoiding losses to acquiring gains. Some studies suggest that losses are twice as powerful, psychologically, as gains. Loss aversion was first convincingly demonstrated by Amos Tversky and Daniel Kahneman. This leads to risk aversion when people evaluate a possible gain; since people prefer avoiding losses to making gains.