David Maister points out a recent study by Professor Nancy Rothbard (Wharton) and Professor Steffanie Wilk (Ohio State) that reports that, "the mood you bring with you to work has a stronger effect on work performance than mood changes caused by events in the workplace." If you come to work in a good mood, "you are more likely to be productive, efficient and do better quality work."
You get to decide on your attitude each day when you walk into the classroom. You want to be upbeat and enthusiastic so that the students will be excited about the class also. Even if you have had a bad day up until class time, being professional means not letting the students know this.
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