What you're asking ought to be inferable from first principles.įirst, you need to look at positive manifold. surely we don't need to "chunk" for perceptual speed to play a role: would that be helped by other executive functions? I'm not sure I believe that the digit span is a test of a single raw cognitive function.Į.g. In fact, they don't recommend it be used to actually test WM because performance is too unreliable to be used as a measure of WMC. Recommendation: Try to "walking yourself through" the sorts of things you need to do in order to perform the task. Instead, if you would like to get a better conceptual idea of what working memory tasks are trying to measure then have a look for the "N-back task". This is because at a bare minimum, you need to be paying attention to new information. To begin with, any digit span test requires executive function. Also, your use of digit span may be leading to a number of misconceptions about what is going on during the WM task, and it's because the digit span task is biasing your understanding of it. And working memory.įirst, is there a reason why you're looking at digit span? I ask because it's not a good measure of working memory capacity/executive function. It actually becomes a better measure of executive function. I just changed the way the information was encoded.īy chunking information, one can store more information by more efficiently structuring it.ĭoes the digit span test draw on any executive functions besides working memory, if "chunking" is not used? Wow! Did I just increase my digit span to over 53 digits? No, not quite.
So instead of trying to store it that way, I could break it up into the meaning parts: twenty-five 1s, three 2s, twenty-five 1s. I could store it as: 1-1-1-1… however, by the time I got to the end, the information I encoded at the start would have decayed. Normal capacity is 7 plus/minus 2 digits. Chunking refers to breaking it up into meaningful lots.
Effectively, you're arranging/re-arranging information in a way that makes sense to you. This answer neatly explains what chunking isĬhunking is a strategy for more efficiently storing information by changing the way you encode or process it.
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