This document discusses computer-based instruction and learning control styles in interactive multimedia courses. It addresses different styles of organizing instructional content like hierarchical, elaboration, and hyperlink structures. The document also examines levels of learner control, including learner control, learner control with advisement, and program control. Finally, it reviews several research studies that investigate how factors like pacing, sequencing, linking structure, and cognitive style can influence student achievement and attitudes in computer-based learning environments.