Which of the following is true of independent variables?

(a) their values are directly manipulated by the researcher.
(b) their values remain constant throughout an experiment.
(c) they are also called criterion variables.
(d) the value of independent variables changes only with change in the value of dependent variables.
(e) they do not affect the outcome of an experiment.

The most likely location of the inaugural address was in what country?

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.

How did the southeast asia treaty organization (seato) carry out the united states policy on containment? a. seato promoted the creation of united nation military bases to create regional defense. b. seato founded an organization seeking to educate southeastern asian countries on communism. c. seato established a regional economic union to promote monetary security. d. seato sought to provide regional security in southeast asia by establishing alliances.