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Table 2 For each a priori subscale, Cronbach's alpha and subscale component reliabilities.

From: Owner reports of attention, activity, and impulsivity in dogs: a replication study

  Mean Standard Deviation Corrected item - Total Correlation Cronbach's alpha if item deleted
Inattention subscale (alpha = 0.85)
1. Other things attract attention 1.81 0.81 0.73 0.80
2. Loses interest easily 1.79 0.80 0.67 0.82
3. Difficulty concentrating 1.48 0.70 0.71 0.81
7. Doesn't pay attention to someone speaking to him/her 1.40 0.71 0.42 0.86
9. Difficulty performing practiced tasks 1.41 0.68 0.58 0.83
11. Easily distracted 2.02 0.88 0.70 0.81
Hyperactivity-Impulsivity subscale (alpha = 0.67)
4. Difficulty maintaining stay 1.91 0.89 0.36 0.63
5. Barks endlessly 1.36 0.75 0.30 0.66
6. Fidgets or in constant motion 1.54 0.95 0.52 0.58
8. Likes active play/running around 3.59 1.23 0.26 0.69
10. Reacts hastily/anticipates 2.15 1.00 0.48 0.59
12. Cannot wait 1.55 0.81 0.54 0.58