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Table 3 Principal component analysis (varimax rotation) factor loadings.

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

  Subscale
  Inattention Hyperactivity-Impulsivity 1 Hyperactivity-Impulsivity 2
1. Other things attract attention 0.819 0.098 0.198
2. Loses interest easily 0.831 0.036 -0.009
3. Difficulty concentrating 0.784 0.248 -0.025
7. Doesn't pay attention to someone speaking to him/her 0.451 0.357 -0.111
9. Difficulty performing practiced tasks 0.596 0.382 0.099
11. Easily distracted 0.774 0.147 0.300
4. Difficulty maintaining stay 0.387 0.484 0.147
5. Barks endlessly 0.072 0.801 -0.030
6. Fidgets or in constant motion 0.074 0.543 0.530
12. Cannot wait 0.378 0.554 0.344
8. Likes active play/running around -0.046 -0.093 0.820
10. Reacts hastily/anticipates 0.213 0.207 0.689