Mrs.Pearson cut Judy's hot dog into eight pieces and Sylvia's into six pieces.Sylvia cried because she felt she wasn't getting as much hot dog as Judy.Piaget would say that Sylvia doesn't understand the principle of

A) object permanence.
B) conservation.
C) egocentrism.
D) accommodation.

Conservation

In psychology, the understanding that certain properties of objects or substances remain the same even when their appearance changes, a concept developed by Jean Piaget.

Object Permanence

The comprehension that objects remain in place even when they're not visible, audible, or detectable in any sensory manner.

Egocentrism

The inability to differentiate between one's own perspective and another person's perspective, often seen in early childhood development.