Six-month-old Claude kicks his crib really hard,causing the mobile above his head to shake.Fascinated by this reaction,he continues to kick his crib.Which substage of sensorimotor thought is Claude in?

A) secondary circular reactions
B) coordination of secondary circular reactions
C) tertiary circular reactions,novelty,and curiosity
D) first habits

Secondary Circular Reactions

Repetitive actions oriented around external objects, typically observed in infants from 4 to 8 months as part of Piaget's sensorimotor stage.

Sensorimotor Thought

describes the stage in early childhood cognitive development where thinking is based primarily on physical actions and sensory experiences.

Tertiary Circular Reactions

Advanced exploratory behaviors observed in infants around 12 to 18 months, involving experimentation to explore the properties of objects and the outcomes of actions.