Further reading:
Feuerbacher E.N. (2014). Shut up and pet me! Domestic dogs (Canis lupus familiaris) prefer petting to vocal praise in concurrent and single-alternative choice procedures, Behavioural Processes, DOI: http://dx.doi.org/10.1016/j.beproc.2014.08.019
Gygax L. (2014). The A to Z of statistics for testing cognitive judgement bias, Animal Behaviour, 95 59-69. DOI: http://dx.doi.org/10.1016/j.anbehav.2014.06.013
Arnott E.R., Claire M. Wade & Paul D. McGreevy (2014). Environmental Factors Associated with Success Rates of Australian Stock Herding Dogs, PLoS ONE, 9 (8) e104457. DOI: http://dx.doi.org/10.1371/journal.pone.0104457
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