Several procedures lead to the recovery of a CR that had been first conditioned and then extinguished. 1  This illustrates that the extinction procedure does not completely eliminate the effect of conditioning. These procedures are the following:
1 As of 2012, only 19 percent of Millennials said that, generally, others can be trusted. 2  There are about 76 million Millennials in the United States (based on research using the years 1978-2000).  Millennials are the last generation born in the 20th century.
Definition of millennial for English Language Learners. : relating to a millennium (a period of a thousand years)