... efficiency of the checklist: content, clarity and mechanics (punctuation and spelling). Analysis of the strong and weak points of the experimental approach was drawn from the comparison of 10 initial ... knowledge of writing theory (what is essay writing; who is the audience; how many kinds of an essay; how many parts of an essay; what is needed in grammar structures- semantic, syntactic, coherent and ... Longman14. Harmer, J. 1990. The practice of English Language Teaching, Longman handbooks for language teacher: Longman group, ltd.15. Heaton, J. B.1989. Writing English test, Longman handbooks...