Cognitive Psychology Notes About

Retrieval From Short Term Memory

-Serial Self Terminating- search items one by one, stop after match is found

-”yes” would be faster than “no”

-Parallel Search- each position scanned simultaneously

-reaction time for all trials

-Serial exhaustive fashion- memory set is svanned one at a time, and where set is scanned even after match is found

-Why would we keep looking through the trials after finding a “yes” response?

-less resources to continue

-quick process

Storage of information

-what form do we store information?

-3 main

-conrad (1962)

- method

-presented a string of letters visually

-looked at errors made in recall

-results

-acoustic errors- I.e. substituting e for d

-encode in a sound based fashion

-Semantic code

Wickens (1972)

Used brown-peterson task and looked at semantic code using release from proactive interference

METHOD

Presented word triads for given categories

Vegtables, flowers, or professions

Fruits=control

RESULTS

-amount of release from PI depended on the similarity of categories

-highest release from PI- Professionals group

-Visual Code

-Shepard and Metzler(1971-)

-Method

Presented 2 complex drawings