Why It’s Important to Ask the Right Questions as a Religious Seeker

by J Warner Wallace

Many years ago, as an undergraduate student, my astronomy teacher used an illustration with our class to demonstrate the importance of specificity when asking a question. He cleverly told us about a dispute he had been called to settle between a professor colleague and a student (in fact, he was merely repeating what has become known as the infamous “Barometer Question” popularized by American test designer and professor Alexander Calandra). My astronomy professor claimed his colleague had asked the following question on a test: “If I led you to a tall tower, and asked you to take a barometer to the top of the tower, how would you use the barometer to calculate the height of the tower?” The professor was looking for a specific answer estimating the height of the building in proportion to the difference between the barometer readings at the bottom and at the top of the structure. But the student, capitalizing on the professor’s lack of specificity, offered a variety of answers without using the barometer as the professor had hoped:

“I would tie a piece of string to the barometer and then lower it from the roof to the ground. Then I would simply measure the length of the string (and the barometer).”

“I would tie a piece of string to the barometer and swing it like a pendulum while standing on the ground and while standing on the roof. Then I would calculate the gravitational potential difference for the two locations and arrive at the height difference.”

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“I would stand the barometer in the bright sunlight and measure the height of the barometer and the lengths of its shadow. Then, after measuring the length of the building’s shadow, I would calculate the building’s height using simple ratios.”

“I would drop the barometer off the roof, and measure the time it takes to hit the ground. Then I would calculate the building’s height assuming constant acceleration under gravity.”

“I would mark off the number of barometer lengths vertically along the wall of the stairwell, Then I would simply multiplying this number by the length of the barometer.”

“I would enter the building and locate the superintendent. I would then offer him the barometer if he would simply tell me the height of the building.”

The student’s answers were clever and resourceful, if nothing else. The “Barometer Question” highlights the importance of asking specific, targeted questions in our search for truth.  When I first began to examine the claims of Christianity, I had many questions as well…

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