In statistics and
variable, or in other words "a sign of a presence or absence of the concept being studied".Just like each color indicates in a traffic lights the change in the movement.
For example, if a variable is religiosity, and a unit of analysis is an individual, then that one of potentially more numerous indicators of that individual's religiosity would be whether they attend religious services; others - how often, or whether they donate money to religious organizations.
Numerous indicators can be aggregated into an index.
The complexity of biological systems makes evaluating them a challenge.
sustainability indicators or the genuine progress indicator. Standard measurements are given in the OECD Main Economic Indicators. A famous popular science individual psychological assessment is the Myers–Briggs Type Indicator.
- ^ ISBN 1-133-04979-6.