Answer:
1. Recognition: Recognition is the ability to recognize previously encountered information.
2. Recall: Recall is the ability to retrieve memorized information without any cues or prompts.
3. Relearning/Spacing Effect: Relearning is the process of relearning information that has been previously learned, and the spacing effect is the phenomenon in which information is more easily recalled when it is learned over a longer period of time with breaks between learning sessions.