Teachers unions are largely unsuccessful in negotiating higher teacher salaries and benefits

When one of the matching techniques is used,

a. randomizing techniques are no longer needed. b. randomizing should still be used where possible. c. the possibility of confounding of the experiment is eliminated. d. generalization to the population is assured.

Which of the following is a unique aspect of the speaker of the house of the Texas legislature?

A) Although the speaker presides over the House of Representatives, the speaker is chosen by the Senate. B) Candidates must campaign to be elected speaker of the house. C) The speaker of the house assumes the role of governor when that office becomes vacant due to death, disability, or resignation. D) The speaker of the house is a joint role shared by two people.