The primary rehearsal strategy used to maintain information in short-term memory is known as:

Correct option is C

Maintenance rehearsal involves repeating information over and over to keep it in short-term memory. This method is effective for temporarily retaining information, but it does not necessarily transfer it to long-term memory, unlike elaborative rehearsal.
Information Booster:
· Chunking (a): Groups information into meaningful units to aid memory but is not a rehearsal strategy.
· Elaborative Rehearsal (b): Links new information to existing knowledge for deeper encoding.