How to Delegate Effectively. Tasks for managers and supervisors is to apportion the work among the employees they manage and supervise. A lot of managers and supervisors frequently complain that they have too much to do and too little time in which to do it. Unchecked, this feeling leads to stress and ineffectiveness. The Weekly Review: How One Hour Can Save You A Week’s Worth of Hassle and Headache. Sheena Iyengar: How to make choosing easier. How Seinfeld's Productivity Secret Fixed My Procrastination Problem. In Defense of Procrastination: When to Prioritize Doing Nothing.