In the 1950s, leon festinger arrived at a theory of attitude change that was at odds with the psychological "wisdom" of the day. the genesis of this theory-cognitive dissonance theory-demonstrates the author's point that many ideas in social psychology are

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true. b) some other scientific experts read the papers and provide quality control by eliminating many mistakes. c) an editor reads the papers, to make sure that all the semicolons are in the correct places. d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog. e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.