What is recorded here?
Reported experiments on the number of visually presented objects that could be apprehended without successive counting, providing an early quantitative study of instantaneous numerical discrimination.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
The record is Jevons’s exact 1871 Nature article. Contemporary replies, later subitizing terminology, modern psychophysical models and broader working-memory claims remain separate.
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People and systems
William Stanley Jevons
The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.
Research locations and affiliations
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Documented countries / regions: United Kingdom
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English catalogue narrative
Jevons: the power of numerical discrimination
Reported experiments on the number of visually presented objects that could be apprehended without successive counting, providing an early quantitative study of instantaneous numerical discrimination.
Scientific scope
The record is Jevons’s exact 1871 Nature article. Contemporary replies, later subitizing terminology, modern psychophysical models and broader working-memory claims remain separate.
Reading status
This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.
People and systems
William Stanley Jevons
The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.