Nicholas is just over a year old, but he is immensely curious about his surroundings. When his father takes Nicholas along to the grocery store or on other errands, Nicholas smiles and waves at the people they encounter and is quite fearless about being in a strange environment. In terms of Jerome Kagan's temperament classification system, Nicholas would probably be classified as:

Question

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According to Kagan's classification system, infants who are low-reactive are generally calm, unemotional, and not easily upset by new or unfamiliar situations. Nicholas's fearlessness and curiosity about his surroundings suggests that he is not easily disturbed by new experiences, which would make him a good fit for the low-reactive category.

Nicholas Is Just Over a Year Old, but He Is