* Cultural background: Different cultures have different senses of humor.
* Personality: Introverts and extroverts, for example, might gravitate towards different types of humor.
* Personal experiences: Life experiences heavily shape what someone finds funny.
* Age: Humor preferences change over time.
Someone with a high school diploma could have a remarkably sophisticated and witty sense of humor, while someone with a PhD might find only slapstick funny. Therefore, using humor to judge someone's education would be unreliable and potentially inaccurate.