FIGURE 3.

Attentional Performance of Soccer Referees before and after the physical fitness test. Note the significant increase in VRT after the FIFA-Test. %CE, percentage of commission errors; %CEB, percentage of commission errors before the FIFA-Test; %CEA, percentage of commission errors after the FIFA-Test; %OE, percentage of omission errors; %OEB, percentage of omission errors before the FIFA-Test; %OEA, percentage of omission errors after the FIFA-Test; RT, reaction time; RTB, reaction time before the FIFA-Test; RTA, reaction time after the FIFA-Test; VRT, variability of reaction time; VRTB, variability of reaction time before FIFA-Test; VRTA, variability of reaction time after the FIFA-Test; CVAT, Computer Visual Attention Test. Data are expressed as means and each bar is the respective standard error of the mean.