Corrections for non-response bias can be very tricky. A lot depends on what the uses of the survey results are and the particulars of the survey implementation. Your hypotheses about direction of biases are clearly plausible.
Offhand, I would suggest that you report the obtained percentage and the margin of error (half the width of the 95% interval). And then describe your adjustment to the point estimates (similar to a raking to totals approach). Keep it clear that the uncertainty due to sampling will still exist and that the magnitude of the adjustment to the point estimate is just an educated guess about a bias in a known direction Art [EMAIL PROTECTED] Social Research Consultants University Park, MD USA (301) 864-5570 . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
