Özet:

This case study design aims to explore the effect of multimedia-integrated game-based learning on an adult dyslexic learner’s vocabulary development and retention, sixteen weeks after an intervention. The study contributes to the gap in the literature for English as a Foreign Language in adults with dyslexia in a university context by pinpointing differences in vocabulary retention in long-term memory. In the study, the learner’s retention of the previously learned vocabulary is evaluated, and 50 new words are introduced under the three new themes over three weeks. The results highlighted an increase in vocabulary acquisition and retention, which pointed out that game-based learning has a positive effect on the language development of adult learners with dyslexia. Keywords: Dyslexia; game-based learning; language development; long-term memory; vocabulary retention

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