Proof of this has recently been reiterated by the Best Foot Forward Project from Harvard’s Center for Education Policy Research. The study found that:
1 - When using video, teachers and administrators both felt the observation process was more fair and productive, with teachers feeling that observers were more supportive and administrators finding teachers less defensive.
2 - With video, observations could take place at more convenient times, resulting in more focused and robust feedback.
3 - Teachers who used video became more self-reflective, tending to rate themselves lower than those not using video and better identifying opportunities for growth.