The Impact of Portfolio Assessment on EFL Learners’ Vocabulary Achievement and Motivation

Parinaz Nassirdoost, Behdokht Mall-Amiri

Abstract


The purpose of this study was to examine the impact of portfolio assessment on EFL learners’ vocabulary achievement and motivation. To carry out the study, 90 female learners of Marefat language school located in Maragheh, Iran were non-randomly selected. They took a Preliminary English Test (PET) test and among these 90 participants 60 students aged between15 and 20 were selected as homogenous samples. These 60 intermediate learners were the main participants of this study. Then, they were randomly put into experimental and control groups. The participants were checked for not knowing the intended vocabulary items intended to be taught and tested in the pre-test. Also, both groups were shown to be homogeneous in terms of their motivation. Both control and experimental groups attended 12 sessions with the same instructional material. The control group received the traditional assessment while the experimental group received portfolio assessment, i.e., they were asked to make portfolios. They were given two piloted post-tests of vocabulary achievement and motivation immediately after treatment sessions. Quantitative analysis revealed that the use of portfolio assessment had a significant effect on EFL learners’ vocabulary achievement but; it did not affect EFL learners’ motivation level. Findings suggest that teachers can benefit from portfolios to arm the learners with appropriate material leading to their improvement in language skills.


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DOI: https://doi.org/10.5296/jsel.v3i1.7750

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