Clifford believes that credulity is something that spreads. That is, he claims that if I am credulous about one thing, then I will become credulous about other things. And he claims that if one person...

Clifford believes that credulity is something that spreads. That is, he claims that if I am credulous about one thing, then I will become credulous about other things. And he claims that if one person in society is credulous, then others in society will become credulous. Is Clifford right about both of these claims?