Roelofs, S., Murphy, E., Ni, H. et al. 2017. Judgement bias in pigs is independent of performance in a spatial holeboard task and conditional discrimination learning. Animal Cognition 20(4), 739–753.
Biases in judgement of ambiguous stimuli, as measured in a judgement bias task, have been proposed as a measure of the valence of affective states in animals. We recently suggested a list of criteria for...