Crystallized intelligence is the knowledge you have already acquired, regardless of how easy or difficult it was for you to obtain it. It includes things such as your vocabulary, your general knowledge, your skills, and any mathematical rules or formulas you might have learned. It is heavily dependent on culture, because certain kinds of knowledge are valued more than others depending on where you live. Think knowledge of plants for people living in a hunter-gatherer community versus reading for people living in an industrialized community. Crystallized intelligence also depends on educational
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