Group 1 - The article presents six methods to enhance learning efficiency, emphasizing active engagement and personal relevance in the learning process [2][19][21] - The first method is participatory learning, which encourages the brain to actively process and think about information rather than passively receiving it [2][3][4] Group 2 - The second method involves developing a habit of actively searching for new concepts, which helps in accumulating useful information channels and enhances information retrieval skills [5][6][7] - The third method suggests learning multiple subjects simultaneously to refresh the brain and improve absorption of information [9][10] Group 3 - The fourth method highlights the importance of downtime for information replay, which aids in solidifying new knowledge [11][12][13] - The fifth method recommends utilizing fragmented time for reflection and organization of learned material, rather than passive reading [17][18] Group 4 - The sixth method advocates for a self-directed approach to learning, where individuals focus on their questions and needs, ensuring that learning is relevant and effective [19][20][21]