Development of Big Book Media to Visualizing The Concept of Narrative Text Through Shared Reading with Mentally Retarded

摘要

This study aims to develop a big book media in visualizing the concept of narrative text through reading together on class V mild mentally retarded students. This research and development uses a 4-D development model consisting of four stages, namely definition, design, development, and dissemination; but without the dissemination stage. The instrument used is the rating scale sheet. The big book media is tested by media experts and material experts. The practicality test is done by calculating the assessment of the user's response (class teacher and mentally retarded students) and effectiveness test seen from the value of the pretest and posttest. This research resulted in: (1) The results of the feasibility test from the experts showed a very decent score of 99.28% and 98.94%. (2) The practicality test results from user responses show very practical scores of 98.33% and 89.25%. (3) The results of the effectiveness test use the gain score with a score of 0.7 with a high category.