english: Without the pencil, subjects were excellent judges, but with the pencil in their mouth -- when they could not mimic the smile they saw -- their judgment was impaired.
non_english: Brez svinčnika so se v določanju odrezali očitno. S svinčniki v ustih, zaradi katerih posnemanje nasmeha ni bilo mogoče, pa se jim je presoja občutno poslabšala.