Sounds great, if done without testing, it would have had only a moderate effect: When presented with a gadget that could be grasped, some (18%) pulled, a few (

Sounds great, if done without testing, it would have had only a moderate effect: When presented with a gadget that could be grasped, some (18%) pulled, a few (9%) pushed, but 40% tried to turn it like a doorknob.