According to Wagner's SOP Model of Conditioning

Multiple Choice

According to Wagner's SOP model of conditioning,

A) the A1 state is long in duration and analogous to long-term memory.
B) the A2 state is at a higher level of activation than A1 but it has a shorter duration.
C) nodes, once activated, always move from the A1 state to the A2 state to the inactive state.
D) an association between the CS and US can occur only if their nodes are in the A2 state.