Summary: It’s nicely established that task-irrelevant sounds deviating from an in any other case predictable auditory sequence seize consideration and disrupt ongoing efficiency by delaying responses within the ongoing job. In visible duties, bigger distraction by sudden sounds (deviance distraction) has been reported in older than in younger adults. Nevertheless, previous research based mostly this conclusion on the comparisons of absolute response instances and didn’t management for the final slowing usually noticed in older adults. Therefore, it stays unclear whether or not this distinction in deviance distraction between the 2 age teams displays a real impact of growing older or a proportional impact of comparable dimension in each teams. We addressed this concern by utilizing a proportional measure of distraction to reanalyze the info from 4 previous research and used Bayesian estimation to generate credible estimates of the age-related distinction in deviance distraction and its impact dimension. The outcomes had been unambiguous: older adults exhibited larger deviance distraction than younger adults when controlling for baseline response pace (in every particular person research and within the mixed information set). Bayesian estimation revealed a proportional lengthening of response instances by sudden sounds that was about twice as massive in older than in younger adults (similar to a big statistical impact dimension). An identical evaluation was carried out on the proportion of appropriate responses and produced converging outcomes. Lastly, a further Bayesian evaluation evaluating information from cross-modal and uni-modal research confirmed the selective impact of growing older on distraction within the first and never the second. Total, our research exhibits that older adults performing a visible categorization job do exhibit larger distraction by sudden sounds than younger adults and that this impact will not be explicable by age-related common slowing.