After careful review of the wiki-research-l archives, I have found that the original Wikipedia Research Policy, which was announced in April 2010:

http://lists.wikimedia.org/pipermail/wiki-research-l/2010-April/000955.html

-- at http://en.wikipedia.org/wiki/Wikipedia:Research -- was modified in 2010 to remove mention of the "Subject Recruitment Approvals Group" (SRAG):

http://en.wikipedia.org/w/index.php?title=Wikipedia%3AResearch&action=hi...

Presumably this was done because technical features to support the SRAG had not been, and are still not implemented:

http://en.wikipedia.org/w/index.php?title=Wikipedia:Research&diff=382263...

If I am mistaken about this conclusion, please let me know immediately.

Sincerely, James Salsman