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The effect of development and individual differences in pointing comprehension of dogs
The results, analyzed at both the group and the individual levels, showed no difference in the performance according to age, indicating that in dogs the comprehension of the human pointing may require only very limited and rapid early learning to fully develop.
Effects of selection for cooperation and attention in dogs
Evidence is provided that at least two independent phenotypic traits with certain genetic variability affect the ability of dogs to rely on human visual cues and should caution researchers against making simple generalizations about the effects of domestication.