Men feel a sense of purpose to achieve goals when they are set, but women perform better even if there are no goals.

"When we are given a goal, we feel a sense of purpose to achieve it; it naturally helps to focus us. The findings demonstrate that setting a goal induces higher effort," said lead researcher Samuel Smithers, doctoral student at the University of Leicester in Britain.
For the study, the researchers examined the effect of non-binding goals - where no monetary rewards or punishments are associated with success or failure - on effort.
One hundred and nine research participants completed a simple addition task, summing up sets of five two-digit, randomly drawn numbers over five minutes in one of three groups.
While the control group was given no goal, the low goal group had to achieve 10 correct answers and the high goal group had to achieve 15 correct answers.
They found that participants within the two goal groups scored more correct answers attempted more questions and had greater accuracy during the tests.
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"My research found that women perform better than men in the no goal setting, but men thrive in both of the goal treatments, suggesting that men are more responsive to goals than women," Smithers said.
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They also found that goal-setting can generate the same effects on success as monetary incentives.
"This is an incredible increase in output without the need for extra monetary incentives. The increase was due to an increase in both the speed and accuracy of the participants in the goal groups," Smithers said.
Source-IANS