Cognitive Psychology: Subitizing

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References

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  1. ^ Balakrishnanl, J. D.; Ashby, F. Gregory (1992). "Subitizing: Magical numbers or mere superstition?". Psychological Research. 52 (2): 80–90. doi:10.1007/BF00937136. PMID 1620801. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: date and year (link)