The sense that political involvement can actually make a difference is known as

Quasi-experiments are unlike experiments in that

A) they do not always include a comparison of at least two levels of an independent variable. B) actual manipulation of the independent variable is not always clearly defined or under the experimenter's control. C) often the experimenter cannot assign participants to groups in an unbiased manner. D) Both B and C

Dictum contained in a judicial opinion is always worthless because it is not specifically concerned with the facts of the case

Indicate whether the statement is true or false