... task is defined by the Speed, Interval and Range, and by the interactions Spee- d* Interval, Spe ed*Range and Interva l*Range, and thisrelation can be therefore quantified by a quadraticmodel (see ... controls, and to adapt the difficulty of the taskaccordingly.Inpatients,wewereabletoidentifyadis-similar pattern of performance and task parameters in paretic and nonparetic arms. The paretic arm alwaysrequired ... analysis of varian ce (ANOVA)with the game score as the dependent variable and Speed, Interval, Range and Size as independent variables.Once we identified the main effects and interactioneffects...