Author: Neil Higgs Effect on Confidence Intervals Estimating pm is subjective and open to challenge, but, ultimately it is about estimating a bias, rather than

Author: Neil Higgs Analytic considerations The first and almost easiest approach is to conduct a weighting exercise on a study in terms of what are

Author: Neil Higgs Setting the scene Most surveys today quote results with few caveats, except for margins of error (or sample sizes) (if one is