Memory

capacity

how much information something can retain

duration

how long this store can retain information for

coding

the format in which information is stored

short term memory duration

18 - 30 seconds

short term memory capacity

7 + or - 2

long term memory duration

lifetime

short term memory tip

chunking

sensory register duration

around ½ a second

KF study

KFs memory for digits was very poor when they were read out loud (phonological loop), but better when he read them to himself (visuo-spatial sketchpad) 

Negative for KF

Shouldn’t base claim on one person

Positive of KF

shows that the MSM is too simple

operationalize

making the DV measurable

alternate hypothesis

main hypothesis for the experiment

directional hypotheses

a hypothesis you chose if there is previous research to suggest a certain outcome

null hypothesis

a hypothesis of no difference

research on coding

Alan Baddeley’s groups are: Group 1 = sound acoustically similar, Group 2 = sound acoustically dissimilar, Group 3 = similar meanings, Group 4 = different meanings. Group 1 did the worst from STM, Group 3 did the worst from LTM. STM uses mostly acoustic coding and LTM is mostly semantic.

research on duration

Bahrick did photo recognition from a school yearbook. Photo recognition is 15 years after graduation = 90%, 50 years after graduation = 70%. Name recognition is 15 years after graduation = 60%, 50 years after graduation = 30%