Blocking Occurs Because the Second CS

Multiple Choice

Blocking occurs because the second CS

A) prevents the first CS from predicting the UCS.
B) provides no additional information in predicting when the UCS will occur.
C) takes over from the first CS as the predictor of the UCS.
D) adds predictive value to the first CS in anticipating the occurrence of the UCS.
E) prevents of occurrence of the UCS after the first CS has appeared.