Ten-Year-Old Rana Is Watching as Zarina Does the Classical Conservation

Multiple Choice

Ten-year-old Rana is watching as Zarina does the classical conservation of volume demonstration.When Zarina pours the water from a tall thin glass into a short wide one,Rana says that there's still the same amount of water because it could be poured back and forth all day.Rana has mastered

A) seriation.
B) classification.
C) transitive inference.
D) reversibility.