<prompt> Bias can be eliminated by all exceptMatchingBlindingRandomizationMultivariate analysis  <response>: Ans. d. Multivariate analysis Multivariate analysis refers to the analysis of two or more dependent variables at a time. It is done after the study has been conducted, to analyze the study. While matching, binding and randomization all are done when the study is being conducted. AHMS November 2010 Repeat. Confounding factors are an impoant source of bias. This can be removed by matching in case-control studies. The selection bias can be eliminated by randomization. Interviewers bias can be eliminated by double-blinding 