Computer Knows Best

Several months ago, I was at a clothing store buying some clothes, as one is prone to do in clothing stores. At the cashier, the total came out to some number that was lower than expected. The sales clerk looked at the total and shrugged, “it says it’s on sale so I guess it is.”

This little episode got me thinking about the reverse case. If you’ve ever taken an HCI class, you’ll likely have encountered either a power plant or aircraft failure case study. In the majority of these studies, somewhere along the way is an operator not believing the computer. “My fuel is dropping much faster than I’d expect, it must be a faulty gauge”.

How is it that, in one scenario, there is complete faith in the computer system’s validity and in the other, a complete lack of faith even in the face of potential disaster? (Via OK/Cancel)