subitizationとは 意味・読み方・使い方

名詞

subitization (uncountable)

1. (psychology) The process of, or act of, glancing at a group of a few objects and knowing how many there are without actually counting.
   • 2008 April 22, Christine Kenneally, “When Language Can Hold the Answer”, The New York Times:

     Monkeys and other animals can compute the exact number of a small set of objects at a glance without explicitly counting. The ability is called subitization.