A Researcher Shows a Group of 8-Year-Old Children 20 Fruits

Multiple Choice

A researcher shows a group of 8-year-old children 20 fruits, out of which 12 are oranges. He asks them if there are more oranges or more fruits. The children answer that there are more fruits than there are oranges. In the context of Piagetian cognitive development, this scenario primarily exemplifies the concept of

A) conservation.
B) seriation.
C) transitive inference.
D) class inclusion.