The Biggest Problem with the Classical Conditioning Explanation of Autoshaped

Multiple Choice

The biggest problem with the classical conditioning explanation of autoshaped behaviors is that

A) there is no autoshaped responding if the key illumination is a redundant stimulus
B) the autoshaped response is sometimes very different from the unconditioned response to the reinforcer
C) the form of the autoshaped response varies with the type of reinforcer that is used
D) autoshaped responses do not disappear with extensive training