Which interests tend to benefit most from Texas economic and environmental regulatory policies?

Which of the following is NOT a formal qualification for the presidency?

A) must be a "natural born Citizen" of the United States B) must be at least 35 years old C) must have lived in the United States for at least 14 years D) must have extensive prior political experience

Experimental research, as opposed to nonexperimental research, allows us to make statements about cause-and-effect relationships. Why is this so?

a. Experimental research involves studying only how two variables covary. b. Experimental research uses statistical analysis. c. In experimental research, we can observe the effects of manipulating variables under controlled conditions. d. Experimental research uses objective observations.