Hooded Crows Used in a Test Conducted by Wasserman and Colleagues

Multiple Choice

Hooded crows used in a test conducted by Wasserman and colleagues (2015) demonstrated the ability to pass a test for relational matching to sample training, something for which they had not been explicitly trained. To what did they attribute this finding?

A) Hooded crows are naturally able to do relational matching to sample tests
B) The crows' extensive training with identity matching to sample likely created a general relational concept
C) The crows were responding to unplanned, subtle differences in the stimuli
D) The crows were showing an ability that emerged from simpler training