Exposure phase
During the first minute of the exposure phase, the owner and
experimenter stood against a wall in the laboratory and ignored the dog. The dog was permitted to explore the room and was not given any instructions. After the first minute, the owner and experimenter walked around the room slowly. There was no set pattern required for this movement, but the owner was instructed to approach every part of the room several times. Dogs were free to move whenever and wherever they wished throughout the entire phase. They were never placed in a position from which they could easily see the mirror. However, they often followed their owners around the room, who approached the areas facing the mirror several times. Broom et al. (2009) kept 2 pigs in the testing room during the exposure period of their study, and watching the movement of the other pig in the mirror may have helped each pig learn how a mirror works. Because the dogs in our study live in human homes, we believed that they would be more likely attend to their owner in a mirror than a conspecific; therefore, the owner was asked to move around the room so that the dog could see his or her movements in the mirror. A blanket was lying on a countertop running alongside the edge of area 4.
Exposure phase
During the first minute of the exposure phase, the owner and
experimenter stood against a wall in the laboratory and ignored the dog. The dog was permitted to explore the room and was not given any instructions. After the first minute, the owner and experimenter walked around the room slowly. There was no set pattern required for this movement, but the owner was instructed to approach every part of the room several times. Dogs were free to move whenever and wherever they wished throughout the entire phase. They were never placed in a position from which they could easily see the mirror. However, they often followed their owners around the room, who approached the areas facing the mirror several times. Broom et al. (2009) kept 2 pigs in the testing room during the exposure period of their study, and watching the movement of the other pig in the mirror may have helped each pig learn how a mirror works. Because the dogs in our study live in human homes, we believed that they would be more likely attend to their owner in a mirror than a conspecific; therefore, the owner was asked to move around the room so that the dog could see his or her movements in the mirror. A blanket was lying on a countertop running alongside the edge of area 4.
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