The polite version yielded better learning outcomes, and the effect was amplified in learners who expressed a preference for indirect feedback, who had less computer experience, and who lacked engineering backgrounds. These results confirm the hypothesis that learners tend to respond to pedagogical agents as social actors, and suggest that research should focus less on the media in which agents are realized, and place more emphasis on the agent's social intelligence.

You may find something that surprises or unsettles you. Or you may find something that confirms what you believe with data and not just some anecdotes or gut feelings. Some time spent here will help you move past “I think” or “it feels right” to “evidence shows.”