Activity
Measuring the STM span
Test a number of people for their short-term memory span. Read (at about one per second) each of the following sets of digits to participants, and test his/her immediate recall. Say ready at the start of each set and go at the end to signal that the participant should start recall. Note that quiet and concentration are vital for this demonstration, as they are for all memory tests.
Ready 289 Go...
Ready 7136 Go...
Ready 18365 Go...
Ready 274163 Go...
Ready 3872694 Go...
Ready 93714836 Go...
Ready 419628583 Go...
Ready 8291435291 Go...
Ready 22978217392 Go...
Ready 825193782951 Go...
At what point did your participant begin to find it difficult to repeat back the sequence accurately? Does this correspond to Miller’s 7 +/- 2? Did any of the participants try to use chunking?
Return to STM and LTM
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