Carter, E.R., Lubinsky, J. and Domholdt, E. (2015). Rehabilitation Research. Principles and Applications. Elsevier Saunders
Chapter 1, 2, 3, 6, 7, 8, 9, 10, 11, 15, 16, 17, 18, 20, 21 and 23
Or
https://www.bmj.com/about-bmj/resources-readers/publications/statistics-square-one, Chapter 3, 5, 7, 10, 11, 13