How does a person who has never seen or touched snow in real life develop an understanding of the concept of snow?

What is the best way to solve a problem?

How does a person who has never seen or touched snow in real life develop an understanding of the concept of snow?

How do young children acquire the ability to learn language with no formal instruction? Psychologists who study thinking explore questions like these and
are called cognitive psychologists.

Cognitive psychologists also study intelligence. What is intelligence, and how does it vary from person to person? Are “street smarts” a kind of intelligence, and if so, how do they relate to other types of intelligence? What does an IQ test really measure?