Scientists from the University of East Anglia have described a 'spiral' of abuse in which the victims of bullying become anxious, leaving them less able to stand up for themselves and more vulnerable to further harassment.
The research suggests that employers should not only crack down on workplace bullies, but also help victims gain the skills to cope with difficult situations.
"This study shows that the relationship between workplace bullying and the psychological impact on victims is much more complex than expected," said Dr Ana Sanz Vergel, from the University of East Anglia's Norwich Business School.
"Workplace bullying leads to poor health because the victim is exposed to a very stressful situation - resulting in anxiety and lack of vigour.
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"We wanted to see whether deteriorated health could make the employee an easy target for bullying. For example, the victim may have less energy to respond to difficult situations and therefore receive less support from colleagues or supervisors.
"Another explanation is the so-called 'gloomy perception mechanism' in which anxious employees may evaluate their environment more negatively," Vergel said.
Participants were interviewed about their experiences of bullying and assessed for anxiety and vigour.
"We found that being exposed to workplace bullying leads to deteriorated mental health and decreased well-being. But at the same time, showing anxious behaviour puts the victim in a weak position and makes them an easy target - leading to a spiral of abuse," Vergel said.
"We are by no means victim-blaming here. Clearly employers need to have strong policies against workplace bullying. But training programmes to help victims learn coping mechanisms could help to break the vicious cycle," Vergel added.