Psychologists Sometimes Study Dishonest Behavior in the Lab

Psychologists sometimes study dishonest behavior in the lab.One piece of evidence that the results are valid and generalizable is

A) the fact that they use real money.
B) the manipulation of both antisocial and altruistic punishment.
C) levels of cheating in the lab correlate with levels of corruption in a country (as rated by the World Bank) .
D) individual differences that show up in lab data are also found in reports by the participants' peers.
E) the high levels of emotion that participants show.