by Dwayne Phillips
When teaching and demonstrating systems, it is better if there are errors.
Teaching how to use a system is better when there are errors.
No, that prior sentence is not a typo. I want errors to appear when I am showing a person how to use a system — anything from software to a toaster oven.
Errors, problems, uh ohs, etc. occur in real life. Users of systems need to know what to do when errors occur. If a user is taught how to use a perfectly performing system, they…