BAHRICK ET AL 1975

AIM
1. Ton investigate the duration of VERY LONG TERM MEMORY (VLTM).
2. To see if memories can last for several decades
PROCEDURE
1. Oppertunity Sampling of 392 american ex-high school students aged between 17-74
  1. The time since leaving high-school was up to 48 years,
2. The particepants were tested in 4 ways:
  1. 2. A photo recognition test.
  2. 1. Free recall of as many names as possible.
  3. 3. A name recognition test.
  4. 4. A name and photo matching test.
3. VLTM was asseced by compairing te particepants responces with year books of all the students from that year
FINDINGS
1. RECALL GROUP
  1. 60% accuracy after 7 years.
  2. 20% accuracy after 47 years.
2. RECOGNITION GROUP
  1. 90% accuracy after 14 years.
  2. 80% accuracy after 25 years.
  3. 60% accuracy after 47 years.
  4. 75% accuracy after 34 years.

Resource summary

	Created by rebeccaaylott over 10 years ago