An attention check threshold of 35 percent false alarms discarded 2 of 12 subjects.

Evidence

To control for inattentive subjects, we set a 35 % threshold for the total false alarm rate. Two subjects were discarded according to this criterion leaving a total of 10 subjects for the data analysis, with false alarm rates around 25 %. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3314