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. 2020 Mar 23;52(5):2098–2121. doi: 10.3758/s13428-020-01363-x

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© The Author(s) 2020

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Fig. 14 — Correlation matrix for the measures reported in Tables 4 and 5. Only correlations with a significance better than 0.05 are shown in this matrix. A colour key is shown on the right. The minimum error correlates negatively with everything; all other correlations are positive. Resolution, the minimal reliably detectable movement amplitude, does not correlate with any of the error-metrics, nor with SD error, the metric called “resolution” by Clarke et al. (2002). Neither does resolution correlate with RMS-S2S and STD of artificial eye data. However, resolution correlates with both measures of precision for human data (taken from Holmqvist (2015) and manufacturer spec sheets). All measures of amplitude errors correlate strongly within their group (upper left), and only in part with the human precision measures.