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Table 2 Cognitive test performance

From: The impact of expectancy on cognitive performance during alcohol hangover

  All subjects AHS > 0 only
Expectancy group Control group p-value Expectancy group Control group p-value
Stroop test
Mean RT—congruent items (ms) 1184.0 (188.5) 1300.5 (270.2) .55 1193.8 (198.0) 1304.2 (273.8) .18
Mean RT—incongruent items (ms) 1617.1 (343.0) 1680.7 (323.9) .12 1649.2 (363.7) 1655.6 (329.1) .96
Interference (ms) 433.2 (232.0) 380.2 (256.6) .50 455.3 (242.0) 351.4 (219.8) .19
Number of errors 5.5 (2.0) 5.5 (1.9) 1.00 5.5 (2.1) 5.5 (2.0) .97
Eriksen’s Flanker test
Compatibility RT (ms) 16.4 (60.1) 11.8 (35.6) .77 15.7 (64.9) 11.8 (33.1) .82
Distance RT (ms) 21.9 (32.7) 19.5 (50.6) .86 23.0 (35.1) 17.5 (52.8) .72
Number of errors 2.2 (1.4) 1.5 (1.7) .16 2.20 (1.2) 1.6 (1.7) .44
Divided attention test
Mean RT—central stimuli (ms) 696.6 (190.7) 698.8 (178.0) .97 702.6 (206.3) 671.3 (162.1) .63
Mean RT—peripheral stimuli (ms) 774.0 (182.9) 768.8 (182.9) .92 745.7 (178.6) 761.5 (111.6) .76
Number of errors 3.4 (4.4) 3.1 (2.3) .80 3.3 (4.3) 2.8 (2.3) .70
CANTABIntra-extra dimensional set shifting test
Extra-dimensional number of errors 13.9 (10.3) 11.4 (9.6) .43 13.7 (10.7) 11.4 (9.9) .52
Intra-dimensional number of errors 6.6 (2.5) 6.0 (4.3) .56 6.1 (1.7) 6.0 (4.5) .92
CANTABspatial working memory test
Number of errors 21.6 (19.2) 22.5 (17.0) .88 21.5 (18.1) 24.2 (17.2) .67
Strategy score 30.3 (5.8) 28.3 (9.6) .45 30.8 (5.7) 29.6 (6.6) .58
Free recall test
Number of correctly recalled words 8.2 (2.9) 6.9 (2.5) .15 7.6 (2.7) 7.1 (2.5) .55
  1. RT response time, AHS Acute Hangover Scale
  2. Significant differences (p < .05) are indicated by *