partner
Although
raises
unavoidable
issues of
pseudoreplication
reasons
First
wished
ensure
partners
unacquainted
each other
recorded
rollovers
ascribed
prior
establishment
dominance
Second
following this
placid temperament
allow for the possibility that being paired with an unknown dog would elicit behaviors associated with dominance and subordination, while minimizing the risk of agonistic escalation. Third, by having a standard target dog for each of the subjects, it increased the chance that any differences among the dogs, due to differences in relative size to the play partner, was not due to possible individual differences in the partners used.