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Judgements of Numerosity An experiment was conducted to find whether there would be difference in number estimation between participants that were shown dots that were arranged randomly or regularly. It was found that participants that were shown randomly arranged dots made larger estimates than those that were shown a regular arrangement. The results suggest randomly arranged dots appear more numerous. * Introduction- Dustin Hoffmann received an Oscar for his portrayal of an autistic character, Raymond, in the film Rainman. In one memorable scene, Hoffmann counts the exact number of toothpicks on the floor at a glance, much to the amazement of his brother, Charlie (Tom Cruise). This scene poses the question of what would be the amount an 'ordinary' person would give, just by glancing at the toothpicks, or any other stimulus. There has been research carried out to see people's capability to estimate the number of objects presented to them for a few...

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