Text:Subitizing: The Role of Figural Patterns in the Development of Numerical Concepts
Glasersfeld E. von (1982) Subitizing: The Role of Figural Patterns in the Development of Numerical Concepts[1]. Archives de Psychologie 50: 191–218. Available at http://vonglasersfeld.com/cgi-bin/index.cgi?browse=journal
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No thinking, not even the Purest, can take place but with the aid of the universal forms of our sensua1ity; only in them can we comprehend it and, as it were, hold fast. – Wilhelm von Humboldt, 1796.[2]