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. 2022 Nov 3;55(8):4128–4142. doi: 10.3758/s13428-022-02010-3

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — Effective frequency. Each of the six panels shows the effective frequency for five episodes (fixate, walk, skip, jump, and the second fixate episode) in four participants for one eye tracker. The red line depicts the sampling frequency of the eye tracker according to the manual or website. Some of the eye trackers deliver a higher frequency for all behaviors (Pupil Invisible, 72 Hz instead of 66 Hz), some deliver a lower effective frequency for certain behaviors (Pupil Core 3D, SeeTrue), some deliver a higher effective frequency for certain behaviors (Pupil Core 3D, SeeTrue)