Someone with the preference listening is good at listening to others. A shop-assistant could show hundreds of articles, but if he doesn’t provide enough information, there is a big chance that this person will leave the shop. Should the shop-assistant provide an explanation about the product, there is a big chance that this person will buy it.
Someone with the preference reading likes to examine the manual, so that he or she is convinced of the function of a gadget for example. A shop-assistant will notice that these people have already read up on the internet about the possibilities of a product before going to the shop.
Someone with the preference doing likes to try things before being convinced. The shop-assistant can talk as much as he/she wants. These people want to test the product out of the packaging so they can feel it and touch it.