Answer: Maintenance Rehearsal
Explanation: Maintenance Rehearsal is a form of memory rehearsal used for information retention in memory. Maintenance Rehearsal is a process of retaining information stored in an individual's short term memory, it involves repetitive thought about the information in other to extend retention time of the information
in short term memory domain. This kind of information aren't connected to any event or given any meaning and as such are not placed in long term memory.
Repetitive thinking of the grocery items will increase the retina time of those items in Bonnie's short term memory.
