把下列短文压缩到280个英文字内：Uncertainty is an intolerable experience and previous theories and research related to uncertainty imply that convergent motivation plays an important role in alleviating uncertainty

Previous research suggests that uncertainty is an unbearable experience, and individuals tend to take steps to alleviate it. It is hypothesized that uncertainty has a positive effect on convergent motivation and that personality traits moderate this effect. Additionally, the impact of uncertainty on negative emotions was also explored to understand its mechanism on convergence motivation.