Dr. Smith believes that a decrease in frontal lobe function underlies the cognitive deficits seen in schizophrenia. He has hypothesized that effective drug therapy serves to selectively increase metabolic activity in this part of the brain

Suppose you were running for student government president. A key issue is whether to raise parking fees to fund a badly needed new parking lot. Your opponent doesn't agree with your opinion

You want to persuade highly intelligent college students to vote for you. When presenting your campaign speech you should __________ a) present your side of the issue and ignore your opponent's view. b) ignore the issues and appeal to their emotions. c) present both your side of the issue as well as your opponent's views. d) present your side of the issue but make fun of your opponent's view.

When an experiment has shown that an independent variable is a cause of a phenomenon, what is the most reasonable conclusion one should draw?

a. The hypothesis has been proven correct. b. The scientific question has been answered once and for all. c. There is evidence that supports the hypothesis, though multiple experiments and methods are still needed. d. There is some evidence for an association, but one should be cautious about drawing causal conclusions.