The success of any open and distance learning (ODL) programme depends on how well it is evaluated. In the National Open University of Nigeria (NOUN), students are assessed and evaluated through continuous assessment as well as end of semester examinations. This paper focuses on Tutor Marked Assignment (TMA), which forms part of continuous…

Research reveals that in highly structured learning environments pedagogical agents can act as tools to direct students' learning processes by providing content or problem solving guidance. It has not yet been addressed whether pedagogical agents have a similar impact in more open learning environments that aim at fostering students' acquisition…