Baddely et. al 1975 Experiment (Limitation of WMM theory)

Question 1

Aim

Answer 1

Test the effect of word length on memory span

-specifically testing the limits of the phonological loop

Question 2

Method

Answer 2

• Lists of 4-8 words
• Half the list using 1 syllable words and the other half, 5 syllable words
• Lists were presented in ascending order, 1.5 second delay
• 15 seconds to recall words (writing)
• Continued until participants failed on all 8 sequences

Question 3

Results

Answer 3

Word length had a significant impact on memory capacity

-Participants were able to retain more of both shorter words and lists

Question 4

Conclusion

Answer 4

Suggest that all of the inputs being processed by the PL have certain limits