چكيده
This study was an attempt to find out about the effect of Interlex and Wordbanker Vocabulary Learning softwares on Iranian EFL learners’ vocabulary learning. Out of the 200 language learners who were studying at Iran language institute, Nelson vocabulary proficiency test was administered to 180 participants who were already studying at intermediate level. Using the results of the homogeneity test 135 language learners, who fell one standard deviation above and below the mean were selected for the purpose of the study. Nelson vocabulary proficiency test was administered to these participants. Based on the results, 3 groups were defined for the study (i.e. Interlex experimental group, Wordbanker experimental and control groups each with 45 participants). Before the treatment, the Nelson test was administered, and based on the results, the words which the learners were not familiar with, were selected. Ten words were selected from their books for the participants in the experimental groups each session. Through the 12 sessions of the study, both Interlex and Wordbanker learners' classes were conducted in the language laboratory. After analyzing the results of the study based on one way ANOVA it was revealed that the used softwares did not have any significant effect on the students` vocabulary learning. So, the third hypothesis as “Wordbanker vocabulary learning software had more significant effect than Interlex vocabulary learning software on EFL learners` vocabulary learning” was supported. This study has pedagogical implications for language learners, language teachers, and material developers on CALL.
Keyword: EFL learners- Interlex software- wordbanker software- vocabulary learning
