a. First of all, self-study gives learners more freedom. They decide what they should study and how to learn depending on their abilities.
b. Dear Lucy; I hope you are well. I am thinking about the advantages of self-study - learning at home without a teacher.
c. Secondly, they can make learners responsible. They set their learning goals and make study plans to achieve them.
d. Finally, it makes them more confident. Completing tasks and solving problems on their own boost learners' confidence.