Lots of people have asked me just how much Coleman can hear without his hearing aids. Here's a good, basic video of hearing loss simulation. Coleman's loss is in the mild-moderate range, which means that a few of the higher pitches are just a mild loss, while most others are moderate.
We are very lucky that in Coleman's case, he has nearly normal hearing with the aids. Many people don't understand though that while hearing aids amplify the sound of normal conversation, they amplify all of the background noise (the fan, the radio, the humming of the fridge, the a/c, etc) also. This is why we have a deaf education specialist come to our home every other week to teach him listening skills, and to teach me and Russ teaching skills. This is also why it's important for everyone to look directly at him and to speak up when talking to him.
So there you have it! Deaf Education Fred Flinstone style!