Every single day Quote by Laszlo Bock

A single test which proves some piece of theory wrong is more valuable than a hundred tests showing that idea might be true.

— Arthur C. Clarke

“Our success at Amazon is a function of how many experiments we do per year, per month, per week, per day.”

— Jeff Bezos

“developer testing should probably take 8 to 25 percent of the total project time.”

— Steve McConnell

“Deviations from standard results are not failures, but opportunities for new questions to be asked and ideas to be tested.”

— Roger Spitz

“One test result is the worth one-thousand expert opinions.”

— Werner Von Braun

“In principle, more analytic power can be achieved by varying multiple things at once in an uncorrelated (random) way, and doing standard analysis, such…

— Christopher D. Manning

“Immature testing organizations tend to have about five clean tests for every dirty test.”

— Steve McConnell

I managed just five Tests between 2004 and 2006.

— James Anderson

43.7 per cent of all statistics are made up on the spot.

— Steven Wright

42.7% of all statistics are made up on the spot.

— Anonymous

We have built out the diversity of our product teams, and we saw the caliber of our testing and experimentation improve significantly.

— Gillian Tans

“There's never an easy answer to the question "Should we do more testing?" because information can guide risk reduction, but doesn't necessarily do so.”

— Gerald M. Weinberg