STM case study - Capacity Flashcards
What sample size did Jacob use?
443 female students
What was the aim of Jacobs study?
to examine the capacity of STM for number and letters
What was the procedure of Jacobs study?
Participants had repeat back a list of numbers and letters in order while the number of letters/number increased gradually until they could no longer recall the sequence
What were the findings of Jacobs study?
Students had an average span of 7+/-2 letters and words
What did miller investigate?
capacity of stm
What did miller find?
That people could remember more info if they organised people into chunks
How many chunks are people able to learn
up to 7
What did peterson and peterson investigate?
the duration of stm
What were Petersons and Petersons procedure?
The students had to recall nonsense trigrams at different intervals and then count backwards in 3’s until asked to recall the letters
What sample of participants did Peterson and Peterson investigate on?
24 psychology students
What were Petersons and Petersons findings?
at 3 seconds 80% recalled correctly and at 18 seconds 10% recalled correctly
What did Baddeley investigiate
How STM and LTM encodes information’s
