Adjusting Point Size to Facilitate More Accurate Correlation Perception in Scatterplots

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Viewers consistently underestimate correlation in positively correlated scatterplots. We use a novel data point size manipulation to correct for this bias. In a high-powered and fully reproducible study, we demonstrate that decreasing the size of a point on a scatterplot as a function of its distance from the regression line is able to correct for a systematic perceptual bias long present in the literature. We recommend the implementation of our technique when designing scatterplots that aim to communicate positive correlations.
Original languageEnglish
Title of host publication2023 IEEE Vis X Vision
DOIs
Publication statusPublished - 12 Dec 2023

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