Responding to complaints from the states and seeking to reduce federal government power in state matters, President Nixon began using this type of grant.

When would an experimenter want to use "yoked" matching of participants?

a. when the required performance or response is too difficult for one person to do alone b. when the temporal sequence of experimental events could be confounded with the independent variable and influence the results c. when random selection of participants from the population is not possible or is impractical d. when participants are randomly selected from the population but not randomly assigned to groups

Article II of the U.S. Constitution states that the executive power shall be vested in the _________.

A. chief justice of the United States B. the Supreme Court of the United States C. president of the United States D. United States Congress