Final answer:
Theory of Mind (TOM) usually develops in children without older siblings by around 4 years of age, enhancing their understanding of others' thoughts and beliefs.
Explanation:
Theory of Mind (TOM) typically develops in most children without older siblings around 4 years of age. This cognitive change allows children to understand that people have thoughts, feelings, and beliefs different from their own. Developing TOM enables children to recognize that others can have false beliefs, which is a crucial aspect of social understanding.
Learn more about Theory of Mind development here:
https://brainly.com/question/32244431
