Kim Jeffries studied psychology at The City University. She now teaches at Welsh House Farm School in Birmingham. Tim Pring was a teacher in special education. He now lectures in psychology at the Centre for Clinical Communication Studies at The City University. The authors describe a teaching programme to improve a handicapped pupil's graphic and visual perceptual skills. They provide also an example of the evaluation of results with a single subject, thus taking up a theme in the article by Hancock and Alston in the prior number of the Supplement.