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The Impact of Visual and Design Factors on Correlation Perception in Scatterplots
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Pre-study
Changing the size of a scatterplot can influence participants' perceptions of the strength of the correlation displayed. This present experiment will ...
Experiment 2: Spatially-Dependent Contrast Adjustments
In E1, dot contrast was reduced with residual error relative to the regression line. Plots with this present had higher ratings of correlation. E2 wil...
Experiment 1: Changing the Contrast of All Points
To more broadly test the effects of point contrast on correlation perception, we will vary the contrast of all point and ask participants to estimate ...
Experiment 3: Spatially-Dependent Point Size Adjustments
Using the same equations as experiments 1 and 2, we test the impact of changing point size as a function of residual distance on a correlation estimat...
Experiment 4: Combining Contrast and Size Adjustments
We combine the spatially-dependent contrast and size adjustments to find out if their effects are additive and to see which has a greater influence on...
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