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The objective of this research study was to develop the e-learning system to enhance cognitive skills. The system comprised two sub systems: (1) e-learning system in Blended Learning Environment (BLE), and (2) e-learning system in Virtual Learning Environment (VLE). Both systems were tested by 240 higher education students categorized in three major disciplines including health science, science and technology, and social sciences and humanities. Afterwards, the systems were approved by the experts. The results showed that the systems should consist of four core elements: input, process, output, and feedback, as detailed in the article.
Songkram et al. (Sun,) studied this question.