Please enable JavaScript.

Coggle requires JavaScript to display documents.

CAPACITY - Coggle Diagram

- - - - The researcher was asked to read out four digits an the participant would have to recall these out loud in the correct order.
        
        Each time the participant got a number sequence right the researcher would add an digit.
        
        This is how you would measure an individual's digit span.
      - Jacob found that the mean span for digits across all participants was 9.3 numbers.
        
        The mean span for letters was 7.3
        
        This may be because there are only 9 numbers while, their are 26 letters in the alphabet.
  - - - He found that things came in sevens:
        
        Seven notes on the musical scale.
        
        Seven days of the week.
        
        Seven deadly sins.
      - He believed that the capacity or span of STM was seven items, plus or minus two.
      - He found that people recalled five numbers better than five letters because of chunking. Chunking was a way of grouping sets of digits or letters into units.