LSP - EGP (DIFFERENCES ,SIMILARITIES). EGP - for real life, situational authenticity of the task, interaction betrween knowledge. LSP - needs analysis, materials designers consider the whole goals of SS at all levels of textbooks production, ESP teachers should conduct conversations with specialists in the specific realm, available materials, situiational - interactional authenticity of the task and interaction between language knowledge and specific purpose content (background) knowledge (Aniko, 1997).
