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ordinal number
(redirected from Ordinality)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
ordinal number
The number that identifies the sequence of an item, for example, record #34. Contrast with cardinal number.
ordinal number
1. a number denoting relative position in a sequence, such as first, second, third
2. Logic Maths a measure of not only the size of a set but also the order of its elements

ordinal number [′ȯrd·nəl ′nəm·bər]
(mathematics)
A generalized number which expresses the size of a set, in the sense of “how many” elements.


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It is commonly believed that for students to understand a number concept they need to understand two basic properties of numbers: cardinality and ordinality (Siegler, 1998).
Model To test hypotheses Hypothesis 1, Hypothesis 2 and Hypothesis 3, we employed a technique described in Agresti (1990) to extend log linear logit modeling to account for ordinality of the predictors.
 
 
 
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