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Baddeley and Hitch 1976

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Course
Unit 2 - Cognitive psychology

Institution
Pearson (PEARSON)

Baddeley and Hitch 1976 To investigate if participants can use different parts of working memory at the same time.

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Uploaded on September 20, 2016
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Written in 2015/2016
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baddeley and hitch 1976
working memory
different parts
dual task technique

Study Level
A/AS Level
Examinator
Pearson (PEARSON)
Subject
Psychology 2015
Unit
Unit 2 - Cognitive psychology

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Baddeley and Hitch 1976
Aim: To investigate if participants can use different parts of working memory at the same time.

Method: Conducted an experiment in which participants were asked to perform two tasks at the same
time (dual task technique) - a digit span task which required them to repeat a list of numbers, and a
verbal reasoning task which required them to answer true or false to various questions (e.g. B is
followed by A?).

Results: As the number of digits increased in the digit span tasks, participants took longer to answer the
reasoning questions, but not much longer - only fractions of a second. And, they didn't make any more
errors in the verbal reasoning tasks as the number of digits increased.

Conclusion: The verbal reasoning task made use of the central executive and the digit span task made
use of the phonological loop.

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