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. 2013 Aug 28;8(8):e72727. doi: 10.1371/journal.pone.0072727

Figure 4. Comparison of the ratio of looking dogs and the latency of looking at the partner in the Mechanical UMO, Mechanical Human and Social UMO conditions during a 30 sec period in each trial when dogs were allowed to move freely.

Figure 4

a; ratio of dogs looked at the partner b; mean latency of looking at the partner.