Is Knowledge of Semantic Macro-Structure Effective on Writing Performance of Iranian EFL Students?

This study set out to investigate whether the knowledge of semantic macrostructures on the report writing of Iranian EFL students in terms of three main categories of rating, namely structure, vocabulary, and organization. This study is a true experimental design which provides pretest of general proficiency test as well as pretest of writing ability. It also involves treatment program for the experimental group and placebo for the control group and finally a posttest of writing. The participants of this study were 40 male upperintermediate Iranian EFL students studying English in two wellknown English institutes of Jahrom. Having used ttest, the researcher found that there was no significant difference between the subjects’ reports vocabulary, structure, and organization quality across groups of control and experimental.