Which political culture is least likely to be found in the Pacific Northwest?

Which of the following is a presidential advisory group whose members are confirmed by the Senate and that helps the president make decisions and execute laws?

a. the White House staff b. the presidential library c. the chiefs of staff d. the Cabinet

Cook and Campbell (1979) noted that

A) measures used in the field are often invalid. B) researchers cannot assume that findings from the lab will hold in the field. C) field research is not reliable and should not be used to answer questions of causality. D) All of the above