Learning to sail is challenging and exhilarating it is also not the easiest thing to do

Which of the following is true of the one-shot case study preexperimental design (X O1)?

A) It does not provide a basis of comparing the level of O1 to what would happen when X was absent. B) There is no random assignment of test units. C) Both A and B are correct. D) In this design, a group of test units is measured twice.

Banks do not want to hold too much capital because

A) they do not bear fully the costs of bank failures. B) higher returns on equity are earned when bank capital is smaller, all else equal. C) higher capital levels attract the scrutiny of regulators. D) all of the above. E) only A and B of the above.