ContentsAbstract11. Definition of ESP11.1 ESP: an approach rather than a product11.2 Absolute and variable characteristics by Strevens21.3 Criteria and characteristics by Robinson21.4 Absolute and variable characteristics by Dudley-Evans and St John32. Classification of ESP33. Origins of ESP53.1 The developments of world economy53.2 The developments of linguistics53.3 The developments of psychology64. ESP course design64.1 Models of ESP course design74.1.