Next to the governor, which executive officer possesses the most power?

In a study on the effects of a new type of soft lighting on task efficiency using two groups of office workers as the participants, a researcher mistakenly concludes that the use of the new lighting does NOT improve task efficiency when, in fact, it does

What type of error has the researcher made? A) A Type I error B) A Type II error C) A beta error D) An alpha error

How does the primary process affect the positions of the various candidates for elective office?

A. It makes them more ideologically extreme. B. It makes them more centrist. C. It has no discernable effect on the candidates. D. It makes them more likely to engage in policy debates with their opponents.