Answer: Practical intelligence
Step-by-step explanation:
Stenberg proposes the triarchic theory of intelligence with three types of intelligence:
Analytical Intelligence: the ability to analyze, critique, and evaluate.
Creative Intelligence: the ability to discover, invent, and create new solutions.
Practical Intelligence: the ability to apply, use, and implement your knowledge.
If Casey has street smarts, excellent social skills, and good common sense, he surely has practical intelligence.