A study participant was asked to observe circular images and determine if they were the same size as a 10 cm2 circle. circles with areas greater than or equal to 11 cm2 were perceived as different. circles with areas between 10.1 and 10.9 cm2 were perceieved as the same size as the 10 cm2 circle. if the participant then was asked to compare samples with a circle with an area of 200 cm2, weber's law would predict that a circle of what area would be perceived as being of the same size?


For the answer to the question above, according to Weber's law, the perceptible differences are proportional to the initial perception. So, with just a 10% increase in area was perceptible, but an increase of 1-9% in the area is considered imperceptible. The 9% increase in area reflected by 200 to 218 would be perceived as the same size as before. The answer is 218

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