I disagree. Experts are known to perform quite badly when they are distracted by stress. In the case of job interview, doing anything out of the ordinary (suc

I disagree. Experts are known to perform quite badly when they are distracted by stress. In the case of job interview, doing anything out of the ordinary (such as writing on a white board) can cause stress. This diminishes the capacity of your working memory due to increased attention focused on stressors.