Automatic and Intentional Processing of Numerical Information

Joseph Tzelgov*, Joachim Meyer, Avishai Henik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Ss evaluated either numerical size or physical size of stimuli varying along both dimensions. Size congruity, distance, and semantic congruency effects were obtained for numerical comparisons of digit pairs and for comparisons of digits with an internal standard (5). Only the size congruity effect was obtained for physical judgments. It was smaller for pairs in which both stimuli were either both smaller or both larger than 5 than for pairs that contained the digit 5. The results are consistent with the notion that intentional processing is mainly algorithm based, whereas autonomous processing is mainly memory based. Implications of the results for models of numerical processing are discussed.

Original languageEnglish
Pages (from-to)166-179
Number of pages14
JournalJournal of Experimental Psychology: Learning Memory and Cognition
Issue number1
StatePublished - Jan 1992
Externally publishedYes


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