coding, capacity and duration Flashcards
What did participants recall worse on in Baddeley’s coding experiment
Recalling from STM: acoustically similar
Recalling from LTM: semantically similar
What were the results of Jacobs digit span test
Mean digits:9.3
Mean letters:7.3
What were the procedures in Jacobs digit span test and what did it test
Jacobs would call out for digits and participants would call them aloud and if they got them all correct Jacobs would add another digit
He was testing the capacity of the short term memory
How did Miller conclude that the capacity of the STM was 7 plus or minus two
He did observations of everyday practice and found that we tend to chunk things into sevens, such as the seven deadly sins or the days of the week.
In peterson and petersons experiment what was the rate of recall (duration of STM)
After 3 seconds: 80%
After 18 seconds: 3%
What were participants given in peterson and petersons experiment on STM duration
A constant syllable (trigram) and a three digit number to count backwards from
What were the 2 ways of recall in Bahrick’s experiment (duration of LTM)
Free recall
Photo recognition
What were the rates of accuracy in photo recognition after 15 years and after 48 years (Bahrick duration)
15 years: 90% accurate recall
48 years: 70% accurate recall
What were the rates of accuracy in free recall after 15 years and after 48 years (Bahrick duration)
15 years: 60%
48 years: 30%
