Considering the audience is an essential first step when developing a training, presentation, or other materials. When I first joined the group tasked with developing a training for Deaf and hard of hearing transition aged youth, the team was almost finished with the product. Here is what it looked like:
These are 3 slides of the hundreds that make up the training. In these examples the slides have no design, are full of text, and the level of English used is too high for the target population. After stepping back and considering our audience here are some sample redesigns: