In a recent Retraction Watch guest post on the “Eysenck affair,” James Heathers notes the extraordinary possibility that as many as 61 Hans Eysenck publications might be retracted. I believe this figure is a significant underestimate.
This reckoning has been a long time coming. The issues surrounding Eysenck’s 1980s/1990s collaboration with Ronald Grossarth-Maticek and their unbelievable results linking personality to health outcomes have been known for decades. Many eminent researchers, including Tony Pelosi and Louis Appleby, had lined up to criticise this research even while it was still ongoing.
In 2010, I published a lengthy biography of Eysenck, Playing with fire, that detailed the context for this collaboration. In the final full chapter, I explained what prompted Eysenck to team up with this outsider figure and laid bare the extent of Eysenck’s deep and longstanding relationship with the tobacco industry. It was backed by extensive archival research and interviews with key players (including two days with Grossarth-Maticek). I had hoped it would provoke a reappraisal and remedial action. But the impact was minimal.
Continue reading 61 retractions for controversial psychologist Hans Eysenck? That’s a significant underestimate, says his biographer