A study examining whether the verb tense you use to describe a positive or negative experience influences your current mood will be retracted after a university investigation found the data had been manipulated.
By whom is the question — the notice cites an unnamed graduate student as the source of the manipulation, and says the only author, William Hart, was unaware of what had occurred.
We spoke with Hart, based at the University of Alabama, who declined to identify the student, nor say whether he or she was still working at the university. He did say the experience has been trying: