a. In Left gaze bias experiment, scientists tested to see if dogs portrayed left gaze bias like humans when presented with pictures of human or dog faces.
b. The left gaze bias looks at the right side of ones face at first site and dogs do this with humans but not other dogs.
c. With the encounter with other human faces, humans look at each other with left gaze bias.
d. The scientist were testing if the dogs recognize expression regarding direction of gaze same as human.
