Piaget maintained that private speech is

A) a sign of abnormal development.
B) a form of communication.
C) an egocentric form of speech.
D) practice for social speech.

Private Speech

Self-directed speech by individuals, especially children, which serves as a tool for thinking and self-regulation.

Egocentric

Focused on oneself and one's own needs or interests, often without regard for others.

Social Speech

Speech intended to be understood by a listener.