Pavlov's dogs would salivate at the ring of a bell but not at the chime of a clock. What concept is this an example of?

Stimulus discrimination.

Explanation:

The concept of stimulus discrimination is used in both classical conditioning and operant conditioning.  In both these conditions, it implies only responding to a particular stimulus, and not responding to similar ones. It includes the ability to differentiate between one stimulus and another related stimulus. The principle of Stimulus Discrimination derives from the theory of Stimulus Generalization, that implies that one responds not only to the specific stimulus but to other related stimulus as well.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.