10.83693/DAPU-TEST.NRW/WJCYEZ FernUniversität in Hagen, Faculty of Psychology Faculty of Psychology FernUniversität in Hagen DataPublication.nrw 2026 Social Sciences cognitive control Stroop task reaction time DaPu demo DataPublication.nrw Team 2026-10-16 6310 1081 3529 text/csv text/markdown image/png 1.0 Creative Commons CC0 1.0 Universal Public Domain Dedication. Trial-level reaction times and accuracy from an online colour-word Stroop task with congruent, incongruent and neutral trials. Participant identifiers are pseudonymous; no demographic data are included. Synthetic example dataset created by the DataPublication.nrw team for demonstration purposes. All values are generated and do not describe real persons, organisations or events.