Jesse makes a squeaky sound to which her father responds with a look and a laugh. In turn, Jesse repeats the squeaky noise over and over, and at each time her father looks and laughs. Jesse is demonstrating what Piaget called:

Question

BlackTom AI · Accepted Answer

To analyze the scenario, we should map the described behavior to Piaget’s sensorimotor substages and see which fits best.
Option 1: substage 5. This corresponds to tertiary circular reactions (12–18 months), where the child experiments with actions to see different outcomes. The described behavior is about repeating a stimulus to elicit a social response, not about varying actions to test outcomes, so this is not a fit.
Option 2: substage 2. This is the first habits and primary circular reactions (1–4 months), where infants repeat own bodily movements motivated by their own bodies, like thumb-sucking. The behavior here is social and goal-directed toward eliciting an adult’s reaction, which goes beyond this stage.
Option 3: substage 3. This is secondary circular reactions (4–8 months), where infants begin to act on the outside world and repeat actions that yield interesting effects, including interactions with others. The infant repeats a noise to provoke a response, which aligns with engaging with external stimuli and social reinforcement—consistent with secondary circular actions.
Option 4: substage 4. This stage involves coordinating secondary circular reactions to achieve a goal (8–12 months), often showing intentional behavior to obtain a desired outcome. While more goal-directed than substage 3, the specific cue of repeatedly producing a squeaky sound to elicit a laugh fits the simpler pattern of repetitive action for a social result of substage 3 rather than the more complex problem-solving coordination characteristic of substage 4.
In sum, the described pattern—repeating a sound to obtain a response from another person—most closely matches the essence of secondary circular reactions in substage 3, where infants learn through repeated actions that affect the environment and social agents. The other options either refer to earlier, less social forms of repetition or to more advanced, goal-oriented coordination that isn’t clearly demonstrated here.

Jesse makes a squeaky sound to which her father responds with a look and a laugh. In turn, Jesse repeats the squeaky noise over and over, and at each time her father looks and laughs. Jesse is demonstrating what Piaget called:单项选择题

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