Ł 2202i codingcap city and clutatL n memoy
cading.5 the_p0tmat un whtth fotmauLcn_iS Stored in the varLcus
lemoryStCres
a cIty the amount np Lmatica that can eheud eCch memc
StcLe
duta bn s tne Length f tume u:pCmatLeo can behed un eachmemoy
SC1e
durau n p_SIMSalimited capacuy memoy Stor
codng _mauey acoustie LSound
capacLy between 6- Ltemi on avec ge
duLaLLen bet eea B -30 se conds
duratLon LIMiSapeLm.aLnent memoLyStOre
cadling _mai▇ semantLc_ ▇
unlim ted cap cuty"
S CresmeorL ▇
aa a d
baddeley s rese arch. s to da wth codung memc▇
codi g iAvoLMes ui pormatLen enteriag the memory sy iem and being
Stared clu ferent fOrm.ats depending on thememory ScOte
Baddeley gave_a clLp eceAt_MSL f_w▇ to_p ▇ ▇ ▇ ▇ ▇ ▇ ▇
group L. acousLLcaL y sumLLar_w rcls CSou clSumLLa
e .)c at, cab ca
grou 1 acausuLcauy isimclarw rai CSauncl d ffRcen )
eq)p t._ew, caw
graup 3 em.antLca▇ ▇ LlCurw ▇ umuLa mecLAu g)
eg) ieatlarge_bi ▇
, group 4 - semanticany dismita words idifferent meaning
eq) gaod, huge,hot
¾ participants were shown the crigicnal wads and asked
cotolecau
recal t
them
n the comect arder
• panticpants rended to do warse recauing acousucaly simuar words
immedrateng after heanng them (smM recam
¾ painc pants tended to do wose recalling semanticaly sumua wcals
after a 20 minute time uteval (LIM recal)
he results of the research suggest that infoimation is coded semanncaly
i n the LIM
limitations of badderay's merearch
artificial stimull used father than meaningrul materiali
the word liSts had
personal meaning to the participants
Shoud be cautious about generalising the findings to different kind
memory tasks
eg2 when processing more meaningful infaimation , peaple may usi
semantic coding even fcr STM
P this suggests that the finding fion this study have limited application
2 Jacobs Lesearch was to do wuh capacity of memory
y lacob's topic of research . digit spans
" capacity invowes now m information the SIM can houd at any
one tume
in arder to measure digut span the researcher gave.
the paiticupont 4
digets wich they were asked to recan in the coLLect order
number of digits increased each time they recaued them comectly
and stopped once they cauid nolonger recau the digus in the comed arder
Jacabs found tat the mean
for digits across au pastir-pants was
9:3 items whilst was 1:3 items