Exploring Dysphasia Learners’ Vocabulary Acquisition through the Cognitive Theory of Multimedia Learning: An Experimental Study

Purpose of the study: The present study was conducted with the aim of investigating the impact of the Cognitive Theory of Multimedia Learning for students with dysphasia in learning disabilities. Another aim was to find out the acquisition of vocabulary toward News in levels lesson – Robinson Crusoe for Students of English. Twenty-four students with dysphasia in learning disabilities have participated in the study. The sample population was exposed to a similar handing environment for the research though they had various backgrounds. All the instructions, experiments, teaching-learning activities were provided in the special education resource room. Methodology: The Experimental Research Design was employed in the study. Pre-test, post-test, retention test, and Vocabulary Knowledge Scale questionnaire were administrated to collect the required data from both the control and experimental groups to study the impact of the multimedia and non-multimedia instructional methods. Major findings: The findings of the research revealed that the multimedia instructional method of teaching outperformed the non-multimedia instructional group. The retention test results and the Vocabulary Knowledge Scale questionnaire reaffirmed that students with dysphasia have motivated and store the new information in their long-term memory. They could retain most of the vocabulary when the multimedia instructional method was integrated into the teaching-learning process. All the test result scores were analyzed using the SPSS software package. A paired test value comparison was used to compare the results for both the control and experimental groups.