Christmas trees 'make non-Christians feel excluded' Christmas trees should be removed from public places to avoid making non-Christians feel “excluded”, scientists have suggested By Andy Bloxham 11:43AM GMT 20 Dec 2010 Researchers at Simon Fraser University in Canada, found non-Christians feel less self-assured and have fewer positive feelings if a Christmas tree was in the room. The scientists conducted the study using 77 Christians and 57 non-believers, including Buddhists and Sikhs. The participants did not know the survey was about Christmas, and were asked to fill in questions about themselves both when a 12-inch Christmas tree was in the room...