allerySubitizing works best for sets of about:
ANine or fewer
BFour or fewer items
CTwenty or fewer
DFifty or fewer
Answer & Solution
Correct answer: B. Four or fewer items
1. Subitizing covers small quantities.
2. The limit is typically four or fewer items.
3. Larger sets must be counted or estimated.
_Source: Wikipedia, "Subitizing" (rev ?), section "Lead section"_
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