Research Methodology and Biostatistics Series VII Guard Against Biases for Validity of the Findings

Various biases, knowingly or unknowingly can creep into medical research, affecting the validity of findings and often lead to disappointing results when applied in real-world settings. This article provides a concise overview of more than 30 types of biases that can adversely influence research outcomes. The objective is to raise readers’ awareness of these biases so that pre-emptive actions can be taken to ensure study validity, and thereby enhance the credibility of the findings.