What became an international philosophic movement, ___________ proposed that truth should be evaluated by its utility and that beliefs should be tested by their practical consequences

Which schedule of reinforcement is the most effective for initially developing and strengthening a behavior?

a) Continuous b) Fixed ratio c) Variable ratio d) Variable interval

What is meant when the results of a research study are said to have "statistical significance?"

a. It means that the data can be analyzed with multiple statistical methods, and do not have to be assessed using a single statistical calculation. b. It means that the results have practical significance in the real world. c. It means that the results are likely to reflect reality, and did not occur by chance. d. It means that random chance is the best explanation for the outcomes.