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Table 6 Cronbach’s alpha

From: German version, inter- and intrarater reliability and internal consistency of the “Agitated Behavior Scale” (ABS-G) in patients with moderate to severe traumatic brain injury

  

Correcteda item scale correlation

Cronbach’s alpha if item deleted

Item 1

Distractibility

.534

.590

Item 2

Impulsivity

.456

.610

Item 3

Resistance to care

.410

.632

Item 4

Violence

.486

.615

Item 5

Anger

.231

.655

Item 6

Self-stimulation

.242

.652

Item 7

Tube pulling

.300

.643

Item 8

Wandering

.060

.664

Item 9

Restlessness

.477

.608

Item 10

Repetitiveness

.278

.647

Item 11

Rapid talking

.064

.689

Item 12

Sudden mood change

.197

.656

Item 13

Crying/laughing

.159

.659

Item 14

Self-abusive

.116

.663

  1. Legend: aCorrelation between each item and the scale score excluding that item