( )1 The optimal arou s al level sh o uld be low for shooting players to gain best performance. ( )2 The optimal arousal level should be low for shooting players to gain best performance. ( )3 A person's zone of optimal functioning may be at the lower, middle, or upper of the state anxiety continuum. ( )4 Cognitive state anxiety(worry) is negatively related to performance. ( )5 Increases in cognitive state anxiety lead to decreases in performance. ( )6 Somatic state anxiety is related to performance in an inverted U way .