The Effect of Using Input Enhancement on Iranian Intermediate EFL Learners of L2 Adjective Knowledge

The role of input is vital in the process of foreign language learning. This article intended toinvestigate the effect of using input enhancement on Iranian intermediate EFL learners’knowledge of L2 adjectives. The question of this study lied in the fact that whether using inputenhancement in classroom has any effects on intermediate EFL learners’ knowledge of L2adjectives. This article considered some issues underlying input enhancement between twolanguages and their effect on L2 adjective knowledge. The participants were 60 intermediateEFL learners were homogenized by Oxford Placement Test and were divided in two groups, oneof them was control group and the other was the experimental group. The next step, the pretest ofadjectives knowledge was administered for both groups. Then treatment was administered in theway that input enhancement was used in one group and there wasn’t any input enhancement incontrol group. After that the posttest was administered in both groups and at the end the data wasanalyzed by two way independent sample t-test and one-way ANCOVA. The result of studyshowed that the null hypothesis of the study was rejected.