Final answer:
Repetition, visualization, and active engagement are various methods to promote retention. These methods work by involving deeper processing of information and making it more meaningful and easier to remember.
Step-by-step explanation:
The various methods to promote retention include repetition, visualization, and active engagement. These methods work because they involve deeper processing of information, which helps make it more meaningful and easier to remember. Repetition involves repeatedly reviewing the information, which strengthens the connections in the brain and improves memory. Visualization helps create mental images or associations, making the information more memorable. Active engagement, such as discussing or applying the information, enhances understanding and builds stronger memory traces.