Results
Not all observers demonstrated a preference for one of the inspectors. This
lack of a preference occurred when the observers spent less than 50% of the test in
the preference areas or divided their time between preference areas equally. As a
result, not all statistics are based on a sample size of 30.
In both the sequential and the social treatments, the observer did not show a
preference for the inspector with the closer mean position to the predator
. These results were not due to an order of presentation Finally, in the social inspection test, there were five instances in which
the observer did not show a preference for either inspector. All five of these
instances occurred in the 13 trials in which the average distance between the
inspectors was small (