Students should each be given a task matrix which is marked each time a task is handed in so that they can not complete the same task more than once each term. (tes.com)
A 2011 report by consulting firm McKinsey & Co. found that those who multi-tasked took up to 30 % longer and made twice as many errors as those who completed the same tasks in sequence. (canadianbusiness.com)
As a rule, humans almost always believe they deserve more credit for a job well done than they would be willing to dish out to a co-worker who completed the same task. (canadianbusiness.com)