Josh runs into heavy traffic every day while driving to work. yesterday, he left home earlier than usual and did not run into heavy traffic. again, today, he left earlier and avoided heavy traffic. his behavior of leaving earlier enabled him to avoid heavy traffic and reach the office on time. in which of the following processes did josh engage?
a. positive reinforcement
b. extinction
c. punishment
d. negative reinforcement
e. intermittent reinforcement

The former chairman of the federal reserve, alan greenspan, used the term "irrational exuberance" in 1996 to describe the high levels of optimism among stock market investors at the time. stock market indexes such as the s& p composite price index were at an all-time high. some commentators believed that the fed should intervene to slow the expansion of the economy. why would central banks want to clamp down when the economy is growing? a. to block the formation of unsustainable speculative asset bubbles. b. to curtail excessive profits in the banking system. c. to prevent inflationary forces from gathering momentum. d. all of the above. e. a and c only.