The Berlin Bimanual Test for Tetraplegia (BeBiTT): development, psychometric properties, and sensitivity to change in assistive hand exoskeleton application

Table 3 Internal consistency analysis

Items	Corrected item—total correlation	Cronbach’s alpha if item deleted
Charge a smart phone	0.862	0.891
Open a water bottle	0.840	0.886
Pour glass of water	0.411	0.919
Rinse a plate	0.663	0.900
Cut meat-like putty	0.859	0.886
Open toothpaste	0.937	0.877
Apply toothpaste on toothbrush	0.435	0.920
Take note out of wallet	0.810	0.895
Close zipper of a jacket	0.633	0.903

ISSN: 1743-0003