Expectancy
Expectancy
Expectancy (/ɪkˈspɛktənsi/), derived from the Latin word "expectare" meaning "to look out for", is a term used in various fields of study, including psychology, sociology, and medicine. It generally refers to the belief or anticipation that a certain event will occur in the future.
Medical Context
In the field of medicine, expectancy often refers to the predicted course or outcome of a disease, also known as the prognosis. It can also refer to the expected lifespan of an individual, often termed as life expectancy.
Psychological Context
In psychology, expectancy refers to the anticipation or prediction of future events or behaviors based on past experiences. This concept is central to theories such as Expectancy Theory and Expectancy-Value Theory, which explore the motivations behind human behavior.
Sociological Context
In sociology, expectancy can refer to social expectations or norms that influence individual behavior. This is often studied in the context of role theory and social norms.
Related Terms
- Prognosis: The likely course of a disease or ailment.
- Life Expectancy: The average period that a person may expect to live.
- Expectancy Theory: A theory of motivation that suggests our actions are influenced by our expectations of the outcome.
- Expectancy-Value Theory: A psychological theory that explains individual behavior as a function of expectancy and the value of the outcome.
- Role Theory: A perspective in sociology that views social behavior as influenced by societal roles.
- Social Norms: Shared expectations about acceptable behavior within a society or group.
External links
- Medical encyclopedia article on Expectancy
- Wikipedia's article - Expectancy
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