What are the effects of stress on performance? Explain with an example.

Under stress, people focus more narrowly on the task at hand, so up to a point, stress makes people perform better-but beyond that point, stress makes people ignore relevant information. Research using multiple-choice tests has shown how this can happen. Under stress, people just scan the multiple answers until they find one that seems correct, and they pick that one, sometimes without considering all the options. Thus, if answer B sounds good, they might choose it without even considering answer D. This gets them done faster, but they may make more mistakes, especially if D was really a better answer than B.