Depression study reveals two sides to illusion of control

(Medical Xpress) -- A study into depression is shedding new light on a fascinating facet of human psychology - that we can readily delude ourselves into thinking we control events, even when we know we do not.

This so-called " of control" can be both a positive and a negative in our lives, notes Shruti Venkatesh, a UNSW postgraduate research student.

"It can help motivate people and make them feel optimistic in certain situations, but it can also lead people into having ," says Ms Venkatesh, who is working with Associate Professor Michelle Moulds, of the UNSW School of Psychology, and Associate Professor Chris Mitchell, of the University of Plymouth.

"An example is when someone wears their favourite sports team jersey and their team wins, that person may come to believe that wearing the jersey caused their team to win - even though there was no between the two.

"Likewise, a who just happens to be lucky and gets repeated payouts from a while playing at the same time of day may come to believe that they can influence the machine by playing again at that time."

The key ingredient for the illusion of control to occur is that the individual must make some sort of response to a situation (e.g. wearing a jersey or playing a poker machine) and that the outcome occurs frequently.

"It's a fascinating phenomenon and it works even in experimental situations when we tell people that the outcome of a process is random and beyond their control, they still develop the illusion. Whether it is a healthy illusion or not really depends on the situation and the consequences of the individual’s action or response."

It has been suggested that depressed people might be less likely to develop an illusion of control because they take a more realistic view of events – known as depressive realism -  but the study found no support for that idea: it turns out that people with depression are just as likely as non-depressed people to develop an illusion of control. Why that should be remains unknown and will be the subject of further research.

"Our key finding is that the illusion of control is a strong, robust effect," she says. "That is, it is very difficult to take the rose-coloured glasses off depressed and non-depressed individuals when it comes to situations in which  there is no relationship between a person’s response and an outcome, and when the outcome occurs frequently.

"In short, people are more than ready to believe they have some control in certain situations – even when they do not."

Citation: Depression study reveals two sides to illusion of control (2011, September 9) retrieved 28 March 2024 from https://medicalxpress.com/news/2011-09-depression-reveals-sides-illusion.html
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