2.2.3 Product design and development
In this study, four iPad apps were developed as instructional tool to facilitate students learning in Authoring
System subject. As mentioned earlier, these apps were developed with Adobe Flash Professional CS5.5. In R2D2
model, Willis (1995) had listed out several components involve in the product design and development including:
a) surface design, b) interface design and c) instructional strategies. The surface design refers to several aspects
like the typography, language and graphics used in the study.