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Calibration Questions

Calibration Questions

Examples

Boolean

The melting point of tin is higher than the melting point of aluminum.

In English, the word "quality" is more frequently used that the word "speed".

reductive (used more frequently where?)

Any male pig is referred to as a hog.

reductive (referred to by whom?)

California's giant sequoia trees are named for an early 19th century leader of the Cherokee Indians.

reductive

The Model T was the first car produced by Henry Ford.

reductive (Henry Ford didn't produce cars)

When rolling 2 dice, a roll of 7 is more likely than a 3.

facile

No one has ever been reported to have been hit by any object that fell from space.

reductive (reported by whom?)

Sir Christopher Wren was a British anthropologist.

Pakistan does not border Russia.

unnecessary negative form, otherwise good.

The Navy won the first Army-Navy football game.

should specify the official event name, otherwise good.

The paperback version of the book "The Da Vinci Code", as of July 2007, still ranks in the top 500 bestselling books on Amazon.

obtuse phrasing, dated topic, otherwise good

Italian has more words than any other language.

reductive (what is a word? what dialect?)

The month of August is named after a Greek god.

borderline facile, reductive

The deepest ocean trench is deeper than the Grand Canyon.

facile

Abraham Lincoln was the first president born in a log cabin.

deceptive phrasing

As of July of 2007, more people search Google for  "Harry Potter" than "Hillary Clinton" (according to GoogleTrends).

obtuse phrasing, dated topic, otherwise good

The population of Alabama is higher than the population of Arizona.

borderline facile, deceptive phrasing

No category 5 hurricane hit the US in 2004.

The UK is among the top 10 largest economies in the world (by GDP).

The movie Forest Gump has grossed more to date than E.T. The Extra Terrestrial.

obtuse phrasing, dated topic, otherwise good

Interval

What percentage of bronze is typically made of copper?

reductive

How many countries have at least one McDonald's?

As of when?

How many employees did eBay have in the first quarter of 2006 What was the population of Miami (within the city limits, not the entire metropolitan area) in 1990? How many casualties did the French suffer in the Battle of Waterloo? What is the range in miles of a Minuteman Missile? What is the percentage of IT jobs in the US were unfilled in 1997? The Supremes' (with Diana Ross) song "Stop! In the Name of Love" was how long? (minutes, seconds) How many undergraduates attended Cambridge in 1990? If you could jump 50 feet straight up into the air, how many seconds would you be airborne before you landed? How many gallons are in a bushel (they are both measures of volume)? How many sovereign rulers has England had in the last thousand years? If the air temperature was 5 degrees below zero (Fahrenheit) and the wind speed was 15 mph, what would the temperature adjusted for wind-chill be? Average cost of testing in software development is what percentage of total project costs? On average, if a software development project was projected to take 17 months, it actually takes how many months? How many meters tall is the Sears Tower? How many gold medals did Jesse Owens win at the 1936 Berlin Olympics? In 2005, the average combined MPG for all US cars and light trucks on the road was how much? The average house in the United States uses how many gallons of water per day? What was the average price in the United States of a house sold in 2001?

Writing Good Calibration Questions

A good calibration question should not feel like it could be a "trick" question.

Definitions/terminology are always contentious, questions based on them always feel deceptive.

Interval "questions" should describe the quantity rather than phrase it as a question.

Strategy for Answering Calibration Questions

Confidence should never be less than probability of picking randomly (50% for true)