Answer:
short-period repetition; long-period repetition.
Step-by-step explanation:
Repetition is an important aspect in Psychology and it can simply be defined as having to do something over and over again. This concept is also an important Behavior in students. In order to memorize an academic book or text maybe during examination or just for citations, students need to read and re-read their text for them to be able to memorize things.
Short-period repetition is a kind of repetition in which one rehearse an infomation at little time intervals.
Long-period repetition is a kind of repetition in which one rehearse an infomation at more spaced time intervals.