Knowing the difference between what is right and what is wrong and acting on that knowledge is

The Big Five personality traits

are unstable throughout much of adulthood. apply only to people living in North America. include five unhealthy ways of functioning in midlife. become quite stable by age 30.

An experiment finds that a certain male subject always has an increased heartbeat when he hears a certain piece of music. The experimenter sounds a buzzer and then plays the piece of music

The experimenter repeats this procedure until the man responds with an increased heartbeat to the sound of the buzzer alone. In this situation the UNCONDITIONED response is the: a. increased heartbeat. b. piece of music. c. sound of the buzzer. d. listening to the music.