If research participants are not allowed to rehearse the information, about how long can they keep a meaningless trigram in phonological memory?
A) 2 seconds
B) 15 seconds
C) 1 minute
D) 20 minutes
Answer: B
Rationale: With this particular kind of stimulus and interference to prevent rehearsal, the forgetting takes place within 15 to 18 seconds. Thus the duration of the phonological memory is believed to be approximately 15 seconds.
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