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Table 4 Stroop Word-Color Test

From: Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance

Variable Treatment Time (h) p-level
Pre 1 2
Word (counts) PLA 120.9 ± 15.7 121.1 ± 16.6 122.6 ± 18.0 <0.001
PWS 116.7 ± 15.5 a 119.5 ± 15.4 124.6 ± 17.7 *
PWS + S 104.8 ± 11.4 a,b 115.0 ± 13.6 *a,c 116.8 ± 14.4 *a,b
Color (counts) PLA 89.9 ± 12.4 90.2 ± 13.6 93.8 ± 17.1 0.02
PWS 91.2 ± 21.3 95.1 ± 19.9 99.4 ± 21.0 *c
PWS + S 79.7 ± 10.5 a,b 84.9 ± 11.7 a,b 89.8 ± 12.5 *b
Word-Color (counts) PLA 66.4 ± 9.6 66.8 ± 14.9 71.3 ± 11.7 0.037
PWS 67.5 ± 20.3 70.2 ± 21.6 74.6 ± 18.9 *
PWS + S 52.4 ± 10.6 a,b 57.0 ± 10.4 a,b 64.0 ± 10.8 *a,b
  1. Values are means ± standard deviations for Stroop Word, Color, and Word-Color tests. MANOVA analysis revealed overall Wilks’ Lambda treatment (p < 0.001), time (p < 0.001), and treatment x time (p < 0.001). Greenhouse-Geisser univariate p-levels of interaction (treatment x time) are reported above. * represents p < 0.05 difference from baseline. a denotes a significant difference from PLA. b denotes a significant difference from PWS. c denotes a significant difference from PWS + S