What scholar is V.O. Key contradicting when he says that voters are not fools but rather products of what they hear through echo chambers?

Which of the following is the strongest determinant of an individual's voting behavior?

(A) His or her socioeconomic background (B) Suggestions from family members (C) Newspaper and media endorsements (D) Political party affiliation (E) His or her opinions on policy issues

To enhance reliability in measuring a behavioral construct,

A) it is better to have fewer observations of behavior. B) it is better to have several observations of behavior. C) it makes no difference how many observations are made. D) it makes no difference how precise the operational definition is