Reviewers step forward from the community. Reviewers examine the material, or a description of the material, in their home or office. Reviewers test the material in their classroom with live students. Typically two reviews. Volume throughput can be larger.
Editor filters out unfair or malicious reviews.
Tests carried out in inappropriate context can be auto-discarded. Unfair or malicious reviews can be swamped out by numerical weight of good reviews. At the end of the Phase I of the NSDL funding, the best aspects of both review procedures can be merged into a common structure to go forward into the future.