Duration of STM
Duration is the defining feature of STM. But how SHORT is it exactly? Maragret and Lloyd Peterson (1959) tested 24 undergraduate students. Each student took part in eight trials. A ‘trial’ is one test. On each trial the student was given a consonant syllable (also known as a trigram, such as YCG) to remember and was also given a 3-digit number. The student was then asked to count backwards from that 3-digit number until told to stop. This counting backwards was to prevent any mental rehearsal of the consonant syllable. (which would increase the student’s memory for the consonant syllable). On each trial they were told to stop after a different amount of time- 3,6,9,12,15 or 18 seconds. This is called the retention interval. Their findings are shown in the graph on the left. It suggests that STM may have a very short duration indeed, unless we repeat something over and over again (i.e. verbal rehearsal).

READ THIS AND THEN YOU NEED TO MAKE:

AIM

PROCEDURE

RESULTS- LINE GRAPH

CONCLUSION

NEEDS TO BE DONE IN MAX 12 HOURSDuration of STM- Psychology

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Duration of STM

Duration is the defining feature of STM. But how SHORT is it exactly? Maragret and Lloyd Peterson (1959) tested 24 undergraduate students. Each student took part in eight trials. A ‘trial’ is one test. On each trial the student was given a consonant syllable (also known as a trigram, such as YCG) to remember and was also given a 3-digit number. The student was then asked to count backwards from that 3-digit number until told to stop. This counting backwards was to prevent any mental rehearsal of the consonant syllable. (which would increase the student’s memory for the consonant syllable). On each trial they were told to stop after a different amount of time- 3,6,9,12,15 or 18 seconds. This is called the retention interval. Their findings are shown in the graph on the left. It suggests that STM may have a very short duration indeed, unless we repeat something over and over again (i.e. verbal rehearsal).

READ THIS AND THEN YOU NEED TO MAKE:

AIM

PROCEDURE

RESULTS- LINE GRAPH

CONCLUSION

NEEDS TO BE DONE IN MAX 12 HOURS

 

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