features of long term memory

Question 1

research duration: bahrick et al procedure

Answer 1

392 participants 17-74 (all american but pop val) tested
participants provided real school yearbooks. conditions included free recall test where participants tried to recall names of people in their graduate class and photo recognition test consisting of 50 pictures and identifying a name from each photo

Question 2

bahrick et al findings:

Answer 2

participants better at photo recognition than free recall. participants who were tested within 15 years of graduation were 90% accurate in photo recognition and 60% in free recall. after 48 years 70% accurate in photo recognition and 30% accurate in free recall.

Question 3

bahrick conclusion

Answer 3

they concluded ltm has a potentially unlimited duration

Question 4

bahrick limitation and strength: pop

Answer 4

strength:large sample size of nearly 400 people and large age range - representative.
limitation: they were all american so results may be specific to that culture alone

Question 5

bahrick strength: mundane realism

Answer 5

task and material used (remembering names and faces) of people they originally knew is a task that therefore has high mundane realism