research into the duration of LTM

Question 1

who studied the duration of LTM by looking at 392 participants between 17 and 74

Answer 1

harry bahrick

Question 2

how was recall tested within harry bahrick’s research study

Answer 2

1. photo recognition
   (50 photos of participants from high school yearbooks)
2. free recall test
   (Participants recalled all of their names of their graduating class)

Question 3

what were the results for photo recognition of Harry Bahrick’s study

Answer 3

within 15 years of graduation = 90% accurate in photo recognition
after 48 years= recall declined for 70% for photo recognition

Question 4

what were the results for free recall of Harry Bahrick’s study

Answer 4

after 15 years= 60% accuracy
after 48 years= 30% accuracy

Question 5

what does harry bahrick’s study show about the duration of LTM

Answer 5

this shows that LTM may last up to a lifetime for some material

Question 6

evaluate bahrick’s research into the duration of LTM

Answer 6

+ high ecological validity as it used meaningful memories
therefore, bahrick’s work reflects a more real estimate of LTM