Being told by your boss that you can either quit or you will be fired is an example of a(n) ______ conflict

Which of the following is the best statement with regard to the idea of a "genetically pure" race among the Earth's population?

a) Race refers to the way a group of people share a common history. It is not a genetic criterion. b) Race is a political and not a genetic distinction, so there can't be such a thing as a genetically pure race. c) It is more a myth than a reality. d) There are many groups of people on the planet that have such purity of racial background.

What kind of reinforcement is used if Sally's parents give her $10 every time she accumulates six As on her tests?

a) gradual reinforcement b) sporadic reinforcement c) continuous reinforcement d) partial reinforcement