the eeffect of video clips on memorization and recall of compound nouns of iranian english language learners

The research method was carried out quantitatively. the research participants were 50 pupils from the one english language institute in khozestan who were chosen from a pool of 78 primary learners. they were selected based on a nonrandom selection method (convenient sampling) since they were easily available. the participants’ ages ranged from thirteen to seventeen years old.the first row in table 3 shows the mean score (19.35) and standard deviation (2.71) of experimental group in pre-test, and for the post test of this group, mean (21.25) and standard deviation (2.66) are presented too. the second row is related to the second pair that is control group which the pre-test mean and standard deviation of this group scores is given: as it clear in above table the mean is 20.78 and standard deviation is 2.46. also, the mean and standard deviation of post-test are given respectively, 23.40 and, 2.80. with regards to this given information, it is observed that subtitled group is at the highest level in this study. this shows that mentioned group has learnt more vocabulary items than the other group. control group has also improved their vocabulary knowledge and placed at the second level. however, the control group was in the lower level, the participants in this group could improve their vocabulary knowledge too.