Pawlowski, Josiane. “The D2 Test of Attention: Internal Consistency, Temporal Stability and Evidence of Validity”. Costa Rican Journal of Psychology 39, no. 2 (December 21, 2020): 145–165. Accessed August 31, 2026. http://www.rcps-cr.org/openjournal/index.php/RCPs/article/view/126.