At what stage do children typically begin to think logically about concrete events, according to Piaget?

In Piaget's theory of cognitive development, the Concrete Operational Stage is characterized by the emergence of logical thinking concerning concrete events. This stage generally occurs between the ages of 7 and 11 years old. During this period, children begin to understand concepts of conservation, reversibility, and cause-and-effect relationships. They can perform operations on tangible objects and can think logically about specific, concrete situations but may struggle with abstract concepts.

The other stages described in Piaget's framework do not encompass this level of logical thinking about concrete events. The Sensorimotor Stage, which occurs from birth to approximately 2 years, focuses on infants learning through sensory experiences and actions. The Preoperational Stage, lasting from about 2 to 7 years, is characterized by symbolic thinking and egocentrism, where children are not yet able to think logically about operations. Finally, the Formal Operational Stage begins at around 12 years and involves abstract reasoning and hypothetical thinking, which goes beyond the concrete focus of the preceding stage.

Thus, the Concrete Operational Stage is the correct answer because it is specifically during this stage that children's logical thinking about concrete events becomes apparent.