"The average number of binary decisions a decision maker has to make in order to select one out of a set of actually exclusive alternatives" (K. KRIPPENDORFF, 1986, p.77).
This number is the logarithm of the number of possible alternatives.
According to G. PASK: "Given a well-defined set of elements, it is possible to measure the amount of uncertainty with reference to this set. The reference frame provides a set of states, hence a measure of uncertainty is possible and is called the variety of the set. … Information and uncertainty, if expressed in an additive form as logarithmic measures, are very simply related indeed:
Uncertainty = –Information" (1961, p.26).
This is, of course, the quantitative aspect of uncertainty, based on the hypothese of a consensus on their data among the different observers. PASK himself has been quite concerned by this consensus problem.
- 1) General information
- 2) Methodology or model
- 3) Epistemology, ontology and semantics
- 4) Human sciences
- 5) Discipline oriented
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Bertalanffy Center for the Study of Systems Science (2020). Title of the entry. In Charles François (Ed.), International Encyclopedia of Systems and Cybernetics (2). Retrieved from www.systemspedia.org/[full/url]
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