... limiting effect of dizziness on per-formance of activities, the VSS-sf-N items appear to cap-ture severity of symptoms, reflecting impairments of bodyfunctions [60].The hypothesis of high association ... variabilityis assumed to be error of measurement in modelICC(1.1), while in model ICC(3.1) the effect of any sys-tematic shift in data are not considered part of the error of measurement [54]. ICC values ... recommended limits [27]. How-ever, the optimal cut-off point of 11 DHI-N points, theanchor based MIC, was within the limits of measurement error at the level of an individual (SDDind ≥ 20 DHI-Npoints),...