Impressions.
The graph on the right describes the participants’ impressions of how the course was run and their own assessments of how much they knew about SPC before and after the course.
Other examples of comments from participants were: Easy to learn, good pace and not too long. Real-life examples. Realisation of what it means to “measure” a process Interesting, important and relevant information. Instructor easy to understand. Not much in the way of figures and calculations. Gave greater understanding of the subject.