When did Québec's "Quiet Revolution" take place?

The economic value of a social program when compared to the costs of that program is established in ______.

A. a cost–benefit analysis B. a cost-effectiveness analysis C. a process analysis D. a summative assessment

Scientists never prove that their theories are correct. However, they can

A. demonstrate that their theories are logically valid. B. use empirical evidence to show that their theories are wrong. C. claim that some theories have more empirical support than others. D. all of these.