What is the term for Piaget's sensorimotor stage where an infant develops schemes that include deliberate variations of actions that bring about desirable consequences?

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Substage 5, known as tertiary circular reactions, is characterized by the infant's experimentation with new behaviors to see what effects they can produce, essentially showing deliberate variations of actions to achieve desirable outcomes. This stage typically occurs from about 12 to 18 months of age.

What Is the Term for Piaget's Sensorimotor Stage Where an Infant