Various surveys indicate that less than a third of the people who work feel they receive frequent, timely and positive feedback. We provide more positive feedback to our canine friends and even killer whales in training and performing than we do to humans.
Specific and timely positive feedback is a powerful motivator (Frederick Herzberg says "recognition" is the second most important factor which creates job satisfaction). It also does not cost a dime to use this important motivational technique.
Put it on your calender to find something each member of your team is doing well and then let them know about it. Seek to have something positive to say to each person at least every two weeks or even more frequently. You will be amazed at the motivational environment this will