619950
Descrição
Mapa Mental por Aimee Johnson, atualizado more than 1 year ago
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Criado por Aimee Johnson
aproximadamente 10 anos atrás
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Short Term Memory
- Capacity
- 7+/- 2 items of information
- Miller 1956
- found out that most
people could only repeat
back between five and
nine items
- Chunking can
increase the
capacity of
short term
memory
- ITV
- GCSE
- ITV
- found out that most
people could only repeat
back between five and
nine items
- Miller 1956
- 7+/- 2 items of information
- Duration
- Peterson and Peterson 1959
- Aim: Establish
the duration of
short term
memory when
Rehearsal is
prevented
- Conclusion: Without
Rehearsal, the
duration of STM is
only a few seconds
- Held up to 30 seconds
- Held up to 30 seconds
- Conclusion: Without
Rehearsal, the
duration of STM is
only a few seconds
- Participants heard a Trigram.
- They were
asked to
recall it
immediately
or recall it
after a set of
retention
interval
- 3,6,9,12,15 or 18 seconds
- During the
period
before
recall, they
were asked
to count
backwards
in 3's from a
specified
number
- To prevent
Maintenance
Rehearsal
- To prevent
Maintenance
Rehearsal
- 3,6,9,12,15 or 18 seconds
- They were
asked to
recall it
immediately
or recall it
after a set of
retention
interval
- Aim: Establish
the duration of
short term
memory when
Rehearsal is
prevented
- Peterson and Peterson 1959
- Encoding
- The way the information is put into each store
- Acoustic form
- Acoustic form
- Conard 1964
- Aim: To establish the form in
which information is encode
into STM
- Even when the
information is
presented
visual,encoding was
acoustically
- Even when the
information is
presented
visual,encoding was
acoustically
- Participants
were shown
a sequence
of six letters
- They were asked to write them down as the
appeared,but the presentation ran to fast for them
to keep. Therefore, keeping the information in
STM
- Participants often made acoustic
errors, where the letters that they had
seen were replaced by those that
sound simular
- Participants often made acoustic
errors, where the letters that they had
seen were replaced by those that
sound simular
- They were asked to write them down as the
appeared,but the presentation ran to fast for them
to keep. Therefore, keeping the information in
STM
- Aim: To establish the form in
which information is encode
into STM
- The way the information is put into each store
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