Which type of memory is most likely to fail if the information is not rehearsed effectively?

Working memory is the type of memory most likely to fail if the information is not rehearsed effectively. This is because working memory serves as a temporary storage system that allows individuals to hold and manipulate information for short periods, typically around 20 to 30 seconds. It relies heavily on active engagement and rehearsal to maintain information within its limited capacity, which is generally about 7 items, plus or minus 2.

When information in working memory is not rehearsed, it can easily be lost or forgotten due to its fragile nature. In contrast, long-term memory is capable of storing information over extended periods, but it requires effective encoding and retrieval processes. Sensory memory, while very brief, captures incoming information just long enough for it to be processed. Implicit memory, which involves learning that occurs without conscious awareness and includes skills and habits, is less dependent on rehearsal since it is often formed through repeated exposure and practice. Thus, the reliance of working memory on active rehearsal makes it particularly vulnerable to failure when that rehearsal is inadequate.