Figure 2
Extent of the measurement error around the mean value of VEL and CE AREA. The figure shows the extent of measurement error around the average value of VEL and CEAREA obtained in our population, in eyes closed condition. Extent of measurement error was expressed with SRD and SEM for VEL because of absence of heteroscedacticity (A), and with SRDR, SRDP, SEMR and SEMP for CEAREA because of heteroscedasticity of random error (B).