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Participant demographics among the 13.8% of Psychophysiology articles that reported sample race and ethnicity.
Vertical black lines refer to the median percentage of each race/ethnicity across included articles. Of note, medians are presented due to the clear overdispersion of percentage of races and ethnicities; medians will often not sum to 100%. ‘Another Race’ includes all races not included in the listed categories, including biracial/multiracial individuals.
