The Authors of Your Text Described the History Behind a Clever

The authors of your text described the history behind a clever experiment conducted by Richard Nisbett and Tim Wilson (1977) .Lacking inspiration when trying to design the experiment,the researchers decided that noise outside their office door was distracting them.They decided to use noise as a distraction in their experiment and predicted that distracting noises would influence participants' judgments,even though they didn't know they were distracted by the noise.Results of the actual experiment showed that although participants' ratings of a film were not affected by distracting noises,participants erroneously thought they were.This anecdote provided by your authors demonstrates that

A) it is often difficult to show a causal relationship.
B) researchers and participants sometimes share incorrect causal theories.
C) Richard Nisbett knows how to operate a power saw.
D) people often know more about the causes of their behaviours than they can explain to researchers.
E) noise is not distracting enough in social psychology experiments.