What does it matter in the real world whether people use imagery as a means of coding information? Understanding how and under what circumstances people mentally represent (ดูไม่ออก) information is crucial to explaining how they carry out a variety of cognitive …(ดูไม่ออก). If they use different codes for different tasks, and if we can make good predictions about when they use which code, we can perhaps predict when they are likely to be able to do things easily and when they will have more difficulty with a task.