Popping the bubble: do bubble plots distort interpretation of circle size?.
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Date
2016
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Abstract
This research tested the hypothesis that an Ebbinghaus illusion can occur in a bubble plot
display and thus distort the interpretation of circle size. In order to do this we tested
participants’ ability to judge circle size in different bubble plot conditions. These conditions
varied based on how likely they were to cause an Ebbinghaus illusion to be present in the plot.
The research found that conditions that were more similar to the Ebbinghaus illusion showed
greater distortion and were distorted in the correctly theorized direction. The implications of
these distortions were then assessed based on theoretical guidelines of good visual displays of
data.
Description
Master of Social Sciences in Psychology. University of KwaZulu-Natal, Pietermaritzburg 2015.
Keywords
Theses--Psychology., Bubbles--Dynamics., Visual analytics., Visual agnosia., Visual perception.