How does fluid intelligence differ from crystallized intelligence?

Fluid intelligence is defined as the capacity to think logically and solve new problems in novel situations without relying on prior knowledge or learning. It encompasses skills such as pattern recognition, abstract reasoning, and problem-solving abilities that are applicable to unfamiliar tasks. This distinguishes it from crystallized intelligence, which involves the use of knowledge acquired through education and experience, such as vocabulary or factual information.

The correct understanding of fluid intelligence underscores its role in enabling individuals to tackle new challenges effectively, making option D the most accurate representation of its nature. It emphasizes the adaptability and flexibility of thought processes crucial for navigating complex and unique circumstances that one may encounter in life.