Document Classification

Section Type: RESULTS

Text: Methylphenidate significantly increased speed of information processing on the Symbol Digit Modalities Test (95 % CI 0. 30 to 2. 95, Cohen 's d = 0. 39, p = 0. 02), Ruff 2 and 7 Test-Automatic Condition (95 % CI 1. 38 to 6. 12, Cohen 's d = 0. 51, p = 0. 003), Simple Selective Attention Task (95 % CI -58. 35 to -17. 43, Cohen 's d = 0. 59, p = 0. 001) and Dissimilar Compatible (95 % CI -70. 13 to -15. 38, Cohen 's d = 0. 51, p = 0. 003) and Similar Compatible (95 % CI -74. 82 to -19. 06, Cohen 's d = 0. 55, p = 0. 002) conditions of the Four Choice Reaction Time Task.