In the 1990s, the brain imaging technique called __________ became available, offering significant advantages over the PET scan. Which technique was it?

After playing outside all day in the woods, Luke's mother told him that he was too dirty to sit at the supper table. An operant conditioning researcher would predict that Luke will perform which of the following behaviors?

a) Take a bath b) Wash his face c) Wash his hands d) Clean up

Which of the following instances shows support for Fromm's idea of existential alienation?

A) An increase in anxiety and depression as our society becomes more individualistic and consumerist B) An increase in inflation-adjusted income in the last 50 years C) An increase in IQ scores over time since the measure was created D) An increase of SIDS (sudden infant death syndrome) E) An increase of hippie communes in modern day society