Retraction statement: When nothing compares to me: how defensive motivations and similarity shape social comparison effects

The following article from European Journal of Social Psychology, “When nothing compares to me: How defensive motivations and similarity shape social comparison effects” by Diederik A. Stapel and Camille S. Johnson, published online on 26 September 2006 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the co-author, the journal Editor in Chief, Tom Postmes, and John Wiley and Sons Ltd. The retraction has been agreed following the results of an investigation into the work of Diederik A. Stapel (https://www.commissielevelt.nl/). The Levelt Committee has determined that this article contained data that was fabricated by Diederik A. Stapel. His co-author was unaware of his actions, and not in any way involved.