View Single Post
  #7  
Old 12-28-2012, 08:03 AM
sreader3 sreader3 is offline
Member
 
Join Date: May 2009
Posts: 1,238
Default

Hi Mike,

You are on to something. Broken-down by subject group, OMs accounted for the following percentages of total backs in my 2003-2006 survey:

150/350 = 1.2
350-only = 1.7
350/460 RP = 4.2
460-only = 2.8

Scot

Last edited by sreader3; 12-28-2012 at 08:06 AM.
Reply With Quote