Bahrick

• Study included 392 American Participants making it a good sample size for generalisation however it is not very diverse
• Photo recognition test ( 50 photos ) where participants had to identify classmates and recall names
• Found that 15 years after graduation , 90% were accurate and that 48 years after graduation 70% were accurate

  Photo recall test
• Free recall test condition where there were no pictures but they had to recall names
• 15 years after graduation , 60% were accurate and 48 years after graduation , 30% were accurate

  Free recall test
• Investigated long term memory