Finding one classroom willing to participate can be difficult; finding two so one can serve as a control group doubles the challenge. (citejournal.org)
Finally, although an MD / PhD couple may face double the challenges, we find that the simple knowledge that you have a partner who understands helps to alleviate the weight of each challenge significantly (which, of course, holds true for most dual - career or dual - degree couples). (sciencemag.org)
Marc Caira became the fourth CEO Tim Hortons has ever had just nine months ago, and he already faces a double - double challenge: grow sales in Canada while expanding into the U.S.. (canadianbusiness.com)