This paper introduces an evaluation tool prepared to examine the quality of visuals in course-books. The tool is based on Mayer's Cognitive Theory of Multimedia Learning (i.e. Generative Theory) and its principles regarding the correct use of illustrations within text. The reason to generate the tool, the development process along with the…

Since structural dimensions of knowledge and learner contribute to preferred message structure, an understanding of structural relationships can aid in the more effective design of instructional messages. Five studies were conducted to explore these relationships. Knowledge structure was defined as the iconic representation of the body of…