You will find that the quality of primitive skills instructional videos varies widely. Some videos have really good information, but they would almost kill you with boredom. Other videos are fun to watch and nicely produced, but not terribly useful. There are relatively few videos that are both educational and stimulating to watch. We have scored each of the videos we carry for information content and the presentation quality. Five is in each category is the highest score. The McPherson videos rate very high in information content, but sometimes medium or low in the quality of the presentation.