memory-explanations of forgetting Flashcards
what is proactive interference
where an older learning/an older memory affects recall of new information/an older memory
give two examples of proactive interference
-when you get a new phone number and your old phone number disrupts the learning of you new phone number
-when your birthday goes and you tell people your old age instead of new
what is retroactive interference
where new learning/memory may affect recall of old information
give an example of retroactive interference
-if you learnt to drive a manual car then get an automatic you may struggle to remember how to drive a manual car
when is it likely that interference will occur
when material is similar as it creates response competition
what did chandler state
students who study similar subjects at the same time often experience interference
who suggested the two explanations for interference
ceraso
what are the two explanations for interference
competition of response theory
unlearning theory
what is the competition of response theory
new information has shifted to where the old information was. We still attempt to retrieve old information from this location which results in errors in memory
what is the unlearning theory
new learning replaces previous learning so that the old learning is unlearnt
who found the supporting evidence for proactive interference
keppel and underwood
what did keppel and underwood find
they had a laboratory experiment where participants were presented with a consonant trigram
-they then had to count backwords is 3s to prevent rehearsal of the trigram
-participants remembered trigrams that were presented first regardless of interval length
what does this experiment suggest
that proactive interference occurred as material was similar (both trigrams)
what are some + and - of keppel and underwoods experiment
+high control over extraneous variables as it was a lab experiment so you can be sure the only thing affecting the IV was the DV so it has high validity
-lacks ecological validity-its an artificial contrived situation which doesn’t reflect memory in real life
who found the supporting evidence for retroactive interference
schmidt
what did schmidt find
-211 participants were given a map of the molunburg neighbourhood with 48 street names replaced with numbers
-they found a positive corrolation between number of times they had moved house and the number of street names forgotton
evaluate schmidt study
-other extraneous variables could affect how well we can recall street names eg-having memories associated with that street
-its a eurocentric study (Dutch)
which two studies support the idea that similarities affects interference
baddely and hitch
AND
mcgeoch and mcdonald
what did baddely and hitch find
-rugby players had to try and recall the names of teams they had played against
-the time interval between the start to end of the season was the same but number of games played was different as some players had missed games eg-due to injury
-it was found that forgetting was more due to the amount of games played rather that the time passessed