Well, the most obvious is that people not in the same field are bad at detecting expertise. But I suppose there are even more—one could blame the audience as much as you blame the subject, that is, psychology professors :P Or you could guess at response bias—maybe people are bad at admitting they didn’t understand something.
What would be the alternative hypotheses according to you?
Well, the most obvious is that people not in the same field are bad at detecting expertise. But I suppose there are even more—one could blame the audience as much as you blame the subject, that is, psychology professors :P Or you could guess at response bias—maybe people are bad at admitting they didn’t understand something.