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proactive interference
previously learnt info disrupts new info
retroactive interference
recent information disrupts old information
who did the study on proactive interference
Postman and Underwood
what were the results from the proactive study
20% recall after 24hours for 10 lists, 70% after 24hours for 1 list
who did the study on retroactive interference
McGeoch and McDonald
what were the results from the retroactive study
If list B was similar to List A recall was 12%, If list B was numbers recall was 36%
research support for proactive interference - evaluation
Underwood and Postman showed old information disrupts new information
research support for retroactive interference - evaluation
McGeoch and McDonald showed the highest interference was when the new info disrupted the old info