Test working memory : limited capacity assumption

Cognitivism and research: Miller (1956)

You will see a number of dots on the screen.

The screens will follow rapidly. A blank screen will flash between

consecutive screens. Take immediately note of the number of

dots; if you fail counting, write a slash ( / ). A the end you will see a picture of a

house:

Oplossing 4 8 6 7 12 2 6 8 5 4

Assumtions

Number up to 7: mostly OK Numbers above 7: more difficult and

more errors

Miller: “Span of Attention” < 7: subitizing > 7: estimation

Task Environment

Long Term Memory

Short Term Memory

Immediate Memory

= = = = 4

= 4

Storage Retrieval

Task environment

Long Term Memory

Short Term Memory

Immediate Memory

= ?

Storage Retrieval

= ?

Test working memory : limited capacity assumption

Cognitivism and research: Miller (1956)