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We employed a mixed-design experiment with deaf (N=20) and hearing (N=20) participants, making use of a linear mixed-model regression for analysis. While the group difference was not statistically significant, the results revealed a significant interaction between subtitle speed and number of lines: at fast speeds (180 wpm), subtitle line count did not affect latency, yet at slow speeds (145 wpm), two-line subtitles incurred a significantly shorter latency. These findings indicate that two-line subtitles, especially at slower speeds, reduce processing latency, which may preserve more time for actual text comprehension.<\/jats:p>","DOI":"10.1145\/3806039","type":"journal-article","created":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T12:44:33Z","timestamp":1779972273000},"page":"1-13","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["The impact of subtitle speed and number of lines on saccadic latency: An eye-tracking study ETRA025"],"prefix":"10.1145","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8571-3592","authenticated-orcid":false,"given":"Italo","family":"Alves Pinto de Assis","sequence":"first","affiliation":[{"name":"Graduate Program in Translation Studies","place":["Fortaleza, Brazil"]},{"name":"Universidade Federal do Cear\u00e1","place":["Fortaleza, Brazil"]},{"name":"Universidade Federal do Cear\u00e1","place":["Fortaleza, Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4654-8747","authenticated-orcid":false,"given":"Dr. Vera L\u00facia Santiago","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Graduate Program in Applied Linguistics","place":["Fortaleza, Brazil"]},{"name":"Universidade Estadual do Cear\u00e1","place":["Fortaleza, Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6611-720X","authenticated-orcid":false,"given":"Dr. Patr\u00edcia Ara\u00fajo","family":"Vieira","sequence":"additional","affiliation":[{"name":"Graduate Program in Translation Studies","place":["Fortaleza, Brazil"]},{"name":"Universidade Federal do Cear\u00e1","place":["Fortaleza, Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1681-7878","authenticated-orcid":false,"given":"Andrew","family":"Duchowski","sequence":"additional","affiliation":[{"name":"School of Computing","place":["Clemson, USA"]},{"name":"Clemson University","place":["Clemson, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2026,5,28]]},"reference":[{"key":"e_1_3_3_2_1","unstructured":"Vera L\u00facia\u00a0Santiago Ara\u00fajo. 2008. 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