If you are home when a showing is scheduled for your home, potential home buyers will feel like uncomfortable intruders. They will spend less time looking and more time worrying about invading your space.
To put them at ease and keep them around long enough to fall in love with your home, take a walk around the neighborhood, go to your local Starbucks or take the kids to the park. If you absolutely cannot leave, try to remain in an out of the way area of the house and do not move from room to room. Stay away from the buyers tour and do not volunteer any information. Try to answer any questions the showing agent has and direct your responses to them. If you feel uncomfortable, just ask the agent to contact your Realtor with a list of questions.