Long after being bitten by a stray dog, alonzo found that his fear of dogs seemed to have disappeared. to his surprise, however, when he was recently confronted by a stray dog, he experienced a sudden twinge of anxiety. this sudden anxiety best illustrates

delayed reinforcement.

latent learning.

spontaneous recovery.

shaping.

discrimination.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.