Complex systems are an important topic in science education today, but they are usually difficult for secondary-level students to learn. Although graphic simulations have many advantages in teaching complex systems, scaffolding is a critical factor for effective learning. This dissertation study was conducted around two complementary research…

The purpose of this exploratory study was to determine how the use of multimedia components, such as graphics, audio and video, in online courses was related to perceived learner satisfaction and learning effectiveness. The use of retrospective data provided self reported perceived satisfaction measures and total score representing objective…

Many culturally and linguistically diverse (CLD) students with specific learning disabilities (SLD) struggle with the writing process. Particularly, they have difficulties developing and expanding ideas, organizing and elaborating sentences, and revising and editing their compositions (Graham, Harris, & Larsen, 2001; Myles, 2002). Computer graphic…