If the training is for cite checking, one of the handouts might be the Harvard Blue Book. Some people use printouts of the screens they used to explain a skill for the handout but presentation visuals and handouts serve entirely two different purposes. Visuals help to communicate a narrative message quickly. The format of the handout should provide users easy access by several different routes depending on what they need to know. My own experience with handouts consisting of screen printouts is that they are cumbersome to use as reference tools and the graphics are poor.
Color has impact on reading, comprehension, learning and promoting ideas.
Include it in your training design. For instance, handouts are improved if they are color coded. A metaphor can be a color. The metaphor for this part of the training is red because it suggests danger and if you do not master this skill your boss will see red. The matching prop could be a red flag or a large swatch of red cloth which you wave to emphasize key points.