If President Obama obtained information that did not support his decision to continue negotiations with Iran over their alleged nuclear weapons program, and he dismissed that information as irrelevant, this would be an example of which concept?

An ex post facto study

A) cannot generate causal hypotheses. B) cannot answer a research question. C) can generate causal hypotheses. D) can test causal hypotheses.

Which of the following duties is performed by the president as the nation's chief diplomat?

A) Handling national emergencies during peacetime B) Suggesting a budget to Congress and submitting the annual economic report C) Leading the nation's armed forces D) Serving as the ceremonial head of the government E) Recognizing and interacting with foreign governments