Translation and Initial Validation of the Chinese Version of the Action Research Arm Test in People with Stroke

Table 3

Internal consistency of the C-ARAT.

Item	Item-total correlation	Alpha if item deleted
Grasp
(1) Block 10 cm	0.897	0.978
(2) Block 2.5 cm	0.948	0.978
(3) Block 5 cm	0.929	0.978
(4) Block 7.5 cm	0.899	0.978
(5) Cricket ball	0.879	0.978
(6) Sharpening stone	0.921	0.978
Grip
(7) Pour water from glass to glass	0.877	0.978
(8) Tube 2.25 cm	0.896	0.978
(9) Tube 1 cm	0.848	0.979
(10) Put washer over a bolt	0.846	0.979
Pinch
(11) Ball 6 mm finger and thumb	0.727	0.98
(12) Marble finger and thumb	0.924	0.978
(13) Ball 6 mm finger and thumb	0.783	0.98
(14) Ball 6 mm finger and thumb	0.879	0.979
(15) Marble finger and thumb	0.874	0.979
(16) Marble finger and thumb	0.893	0.978
Gross movements
(17) Hand behind head	0.790	0.98
(18) Hand on top of head	0.777	0.98
(19) Hand to mouth	0.824	0.979

Note: Cronbach’s α coefficient for the entire C-ARAT equals 0.98.