Matt Mahoney writes:> Landauer used tests like having people look at thousands of photos, then> tested them by having them look at more photos (some seen before, some novel)> and asking if they have seen them before. On the face of it, this only measures one very narrow set of what a person "learns" during the time the photos were presented... other details of the experience of the photos themselves that are not measured by the specific recall test, the surroundings, the experiment, the people involved, continual adjustment of world-view and category boundaries, motor skills adjusted due to physical interaction with the testing environment, reflection (largely subconscious) on unrelated things in the back of the subject's mind, etc. I believe this learning vastly overwhelms the trivial narrow slit into the subject's memory that was later measured.
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