Results from the behavioural analysis
A Principal Component Analysis was conducted and four components were retained for further analysis. They were labelled, Warning, Neutral, Search and Fear, based on behaviours with loadings over 0.5. It was found that approved dogs displayed more of the Warning and Search behaviours while non-approved dogs displayed more of the Neutral behaviours.
Distribution of factor scores in approved and non-approved dogs. Circles represent outliers.
Results from the cortisol analysis
No significant difference in cortisol concentrations was found between the pre-test and the post-test. Neither was there found a significant difference in cortisol concentrations between approved and non-approved dogs.
The distribution of cortisol concentrations divided by the test outcome.
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Director of undergraduate studies Biology
Last updated:
05/22/14