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Forgetting: Interference Theory (Interference theory (One memory…
Forgetting: Interference Theory
Strengths
Research evidence
Baddeley & Hitch (1977)
Intuition
People can think of times
interference has happened
Theory makes sense
w/ everyday examples
Weaknesses
Little about the cognitive processes
Lab experiments= Low EV
Limited scope
Can only explain lack of recall
when info in similar format
Means theres many types of recall
that aren't explained
Interference theory
One memory disrupting the
ability to recall another
Linked to LTM forgetting
Difference between availability
and accessibility
Most likely when 2 memories
have similarities (McGeoch & McDonald)
Chandler (1989)
Students who study similar
subjects at the same time often
experience interference
Proactive Intereference
When you can't learn a new
task because of an old task that
had been learnt
What we already know interferes
with what we are currently learning
i.e- A teacher has learned so many
names in the past she has difficultly
remembering names of her current class
Retroactive interference
When you forget previously learned task
due to the learning of a new task
Later learning interferes with earlier
learning
New memories disrupt old memories
i.e- Your teacher has learned so many new names
she has difficulty remembering
names of previous years