Which Statement(s) Is/are True About Are Inhibitory Avoidance Conditioning and Fear

Which statement(s) is/are true about are inhibitory avoidance conditioning and fear conditioning? (Select all that apply.)

A) Both are measures of aversive learning.
B) Crossover latency is the dependent variable in both tasks.
C) Freezing is the dependent variable in both tasks.
D) Only one trial is needed to produce the memory.
E) None of the above