A value held by trial and appellate judges is a commitment to follow precedents. This doctrine of ___ is a cardinal principle of the common law tradition.

In a single-group, posttest-only study, an observed difference

A) cannot be a placebo effect. B) might be a placebo effect. C) is strong evidence for a causal relationship. D) is almost always going to be statistically significant.

The president has authority to appoint ambassadors without congressional consent

Indicate whether the statement is true or false