Jiao Is Trying to Get Two Pieces of a Puzzle

question 41

Multiple Choice

Jiao is trying to get two pieces of a puzzle to fit together.She works on it for several minutes, and when she succeeds, she quickly looks up at her mother and says, "Look, Mommy." Based on this information, approximately how old is Jaio?

• A)18 months
• B)2 years
• C)3 years
• D)5 years

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Definitions:

Shaking A Rattle

An activity often used in developmental psychology studies to understand sensorimotor skills in infants.

Reinforcer

A stimulus or event that increases the likelihood of the repetition of the behavior that precedes it.

Intermittently Reinforced

A conditioning schedule where only some of the responses made are followed by reinforcement, known to produce behavior that is more resistant to extinction than continuous reinforcement.

Parents

The caregivers of offspring in their own species; in humans, typically refers to a child's biological or adoptive mother and father.