Peterson and Peterson's study

Question 1

whats was the aim of the Peterson and Peterson’s study

Answer 1

to test the true duration of short term memory

Question 2

what were some strengths of the Peterson and Peterson’s study

Answer 2

-high repeatability meaning the study has reliability and can be repeated again
-STM has limited capacity
-we need to rehearse in the STM

Question 3

what were some weaknesses of the Peterson and Peterson’s study

Answer 3

-lacks mundane realism
-low ecological validity
-lacks population validity and results cant be generalised to the whole population

Question 4

what were the results for experiment 1 in the Peterson and Peterson’s study

Answer 4

-over 80% accurately recalled after 3 seconds interval
-less than 10% accurately recalled after 18 seconds interval
-the longer the interval between reading and recalling the trigram less accurate their result was

Question 5

what were the results for experiment 2 in the Peterson and Peterson’s study

Answer 5

the extra time to rehearse increased the accuracy of recall.