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5 sourced facts about quizzes, trivia, and personality tests, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

About how large was the US personality-test industry, as of 2013?

Answer$2–4 billion annually

Personality tests are big business, even though researchers say they're one of the least reliable ways to judge job applicants.

Source: Wikipedia - Personality test (2013) en.wikipedia.org

Expert level

How many participants took part in the largest quiz on record, held in Belgium in 2010?

Answer2,280 participants

The event, called 'Quiz for Life,' set the record for the biggest quiz ever held.

Source: Wikipedia - Quiz (2010) en.wikipedia.org

About how many US federal agencies, including the military, use personality assessments?

Answerabout 200 agencies

Personality testing in hiring traces back to military recruit screening in the early 20th century.

Source: Wikipedia - Personality test (2024) en.wikipedia.org

In what year was the Woodworth Personal Data Sheet, considered the first modern personality test, created?

Answer1919

It was designed to screen military recruits, launching a century of personality testing.

Source: Wikipedia - Personality test (2024) en.wikipedia.org

In what year was the Minnesota Multiphasic Personality Inventory (MMPI) first published?

Answer1942

The MMPI remains one of the most widely used psychological assessment tools today.

Source: Wikipedia - Personality test (2024) en.wikipedia.org

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