who designed this model
baddeley
what does this model show
how STM is organised/ how it functions
what is a central executive
monitors incoming data and assigns roles to the slave systems
what is episodic buffer
added in 2000 to model
-temporary stored integrates all memory types
what is a visa spatial sketchpad
- slave system
- monitors our visual and spatial info
what is articulatory process
allows maintenance rehearsal
can hold up to 2 seconds of things we say
what is phonological store
where the words we hear are stored
what is the key study
Dual Task Performance by Baddeley
Dual task performance study
-Ps carried out 2 verbal/ 2 visual at same time
Ps carried out one verbal and one visual (dual task)
Ps carried out one visual and one verbal separately
performance declined when doing same type of task
-supports 2 slave systems
strengths of model
- supporting evidence (dual task)
- shows 2 separate slave systems
- HIGH VAlIDITY
clinical evidence
- KF- had brain injury where auditory was damaged but visual wasn’t damaged.
- HIGH VALIDITY -supports existence of different visual and auditory memory stores
weaknesses of model
- central executive lack of clarity
- oversimplified byt some
- Baddeley said most important but least understood
- LACK VALIDITY
-no specification of KF other problems
-eg., trauma of accident may affect his cognitive performance
-challenges supporting evidence
LOW RELIABILITY
